Please help!

A. I only

B. II only

C. III only

D. I and III only

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1) An eclipse takes place when one heavenly body such as a moon or planet moves into the shadow of another heavenly body. There are two types of eclipses on Earth:

2) Most years have 4 eclipses, which is the minimum number of eclipses that take place in a year; 2 of these 4 eclipses are always solar eclipses. While rare, the maximum number of eclipses that can take place in a calendar year is 7.

3) Differences:-

4) Moon phases:

We only see the Moon because sunlight reflects back to us from its surface. During the course of a month, the Moon circles once around the Earth. If we could magically look down on our solar system, we would see that the half of the Moon facing the Sun is always lit. But the lit side does not always face the Earth! As the Moon circles the Earth, the amount of the lit side we see changes. These changes are known as the phases of the Moon and it repeats in a certain way over and over.

5) The moon moves in an orbit around Earth, and at the same time, Earth orbits the sun. Sometimes Earth moves between the sun and the moon. When this happens, Earth blocks the sunlight that normally is reflected by the moon. Instead of light hitting the moon’s surface, Earth's shadow falls on it. This is an eclipse of the moon -- a lunar eclipse.

Sometimes when the moon orbits Earth, it moves between the sun and Earth. When this happens, the moon blocks the light of the sun from reaching Earth. This causes an eclipse of the sun, or solar eclipse. During a solar eclipse, the moon casts a shadow onto Earth.

6) The moon can look red during a total lunar eclipse because of sunlight that's filtered and refracted by Earth's atmosphere.

7) 50% of the lunar surface is always illuminated by Sun. Because half of the moon surface is lit, rest we can't see.

8) When the moon passes between the sun and Earth, it can create a solar eclipse. When the disk of the moon masks the disk of the sun, it creates a total solar eclipse. Lunar eclipses occur when Earth passes between the sun and the moon. During a lunar eclipse, the moon turns dark red due to the deviation of the sun's rays caused by Earth's atmosphere. Lunar eclipses occur more often and last longer.

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Answer:

C. A group is the sum of the behavior of all of the group members.

Explanation:

The statement which best describes group behavior is: C. A group is the sum of the behavior of all of the group members.

A group is also referred to as a team and it can be defined as a group of people or set of individuals having various skill set, knowledge, ideas and experience, who come together to work on a project or task, in order to successfully achieve a set goal and objective.

Therefore, individuals working as a group usually interact with the other group members and as a result, this enhances performance and strengthen the level of relationship they share.

In conclusion, a group is the overall sum of the behavior of all of the members in a particular group.

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The function that the Golgi bodies provide for the cell is that they assist in the early stages of protein and lipid production. The correct option is D.

The Golgi apparatus is basically an organelle encountered in most eukaryotic cells. It is also referred to as the Golgi complex, Golgi body, or simply the Golgi.

It is a component of the cytoplasmic endomembrane system that packages proteins into membrane-bound vesicles before they are transported to their destination.

Proteins produced by ribosomes in the ER are packed in the Golgi apparatus, where lipids wrap them in a membrane that is then exported from cells.

Molecules entering the Golgi are charged, stored, and then released back into the cytoplasm (secretory vesicles).

The Golgi bodies function in the cell by assisting in the early stages of protein and lipid production.

Thus, the correct option is D.

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Answer:

oxygen is obtained from the atmosphere

It is most likely hopefully false

Answer:

macro

Explanation:

Answer:

Macro

Explanation:

All the other options are scales of atmospheric motion

Answer:

hydrogen bonds

Explanation:

Answer:

hydrogen bonds

Explanation:

The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.

Answer:

C. glycoproteins

Explanation:

Glycoproteins are proteins containing glycans (oligosaccharide carbohydrates) attached to amino acid side chains. These oligosaccharides are attached to the amino acid chain by a posttranslational modification referred to as glycosylation, a modification generally found in extracellular regions. Glycosylation refers to the chemical reaction in which a glycosyl donor (i.e., the carbohydrate) is attached to a functional group in the protein. The glycosylation sites play distinct functional roles for both cell interactions and cell recognition. Moreover, glycosylation sites are also essential for substrate recognition by an enzyme. For example, secreted cytokines are glycosylated, which is required for their binding to receptors.

Answer: The burning of fossil fuel too, both in industry and in transportation contributes significant amounts of nitrogen into water bodies via nitrogen oxides pouring down in acid rain. The nutrient pollution causes algal blooms which depletes the marine environment of oxygen and causes a dead zone.

Explanation:

The mass of the products is larger than the concentration of the reactants in an energy absorption process.

The power of the reaction mixture is larger than the radiation of the outputs in an energy-releasing process.

As substances disrupt bonds, energy released, and then when outputs make new bonds, release energy. 

Exothermic processes release energy, whereas endothermic reactions consume it. There is no general change in the quantity of energy throughout a chemical process, whether it collects or releases it.

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Answer:

The correct answer is -  amoeba: pseudopod; euglena: flagellum; paramecium: cilia

Explanation:

Protists use different type of structures for their movement known as pseudopods, flagella, and cillia.

Pseudopods are the structures found in amoeba in which flowing of protoplasm moves the amoeba forward.

A euglena moves by strikes or whip its flagellum, that is a long appendages, like propeller of a helicopter.

Cilia are thin, very small tail-like structure that stretched outward from the of body of paramecium.

Thus, the correct answer is -  amoeba: pseudopod; euglena: flagellum; paramecium: cilia

Answer:

A fossil is the remains (or impression) of a prehistoric organism that is preserved as a mold or cast in rock

Explanation:

Answer:

It's true.

Explanation:

In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory. It is a misconception that theories turn into laws with enough research.

When the scientists test the idea, they develop a theory by following a set of logical steps. A theory becomes a scientific law once it has been rigorously examined and accepted. Thus, option A is correct.

One prevalent fallacy is the idea that hypotheses eventually become laws. Despite the number of supporting examples, hypotheses do not actually become laws after repeated testing.

Scientific laws, like theories, explain occurrences that the scientific community has determined to be verifiably true. In general, laws explain what will occur in a specific circumstance and are proven by a mathematical equation, whereas theories explain how the phenomenon occurs.

Therefore, A testable explanation of a natural event is what constitutes a scientific hypothesis. The concept of gravity, for instance, explains why an apple always falls to the ground when.

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Nitrification is a process that converts ammonia into nitrate by bacteria.

The bacteria Nitrosomonas and Nitrococcus present in the soil convert NH3 to NO2-, and another bacterium, Nitrobacter converts NO2- to NO3-. These bacteria gain energy through these conversions.

Answer:

skin acts as a protective barrier, therefore it does not secrete hormones

Skin does not secrete hormones. Thus, the correct option is B.

Hormones may be defined as chemical substances that are produced by the organ system of an organism and transported at the site of action via the bloodstream. Hormones act as messenger molecules in the body.

Skin acts as the primary or first line of defense for the immune system. It does not secrete any hormones. It plays an important role in innate immunity. Ovaries are responsible for the secretion of hormones like estrogen and progesterone in females and regulate all the prospective consequences in the body of females.

The adrenal gland secretes hormones like cortisol and aldosterone which are steroid hormones. Such hormones are important in regulating metabolism, inflammation, immune functions, etc. The Pancreas secretes insulin and glucagon which play an active role in regulating the level of glucose in the blood.

Therefore, the skin does not secrete hormones. Thus, the correct option is B.

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Answer:

P

Explanation:

Phospholipod is type of bilayer

Cells have phospholipid type of bi-layer that is not soluble in water.

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Answer:

The primary function of the lymphatic system is defending the body against both external and internal threats.

Explanation:

The set of tissues and organs that participate in the immune response is known as the lymphatic system. Its main functions are to maintain the volume of blood and participate in the defense of the organism. It is made up of organs, vessels, nodes and lymphatic tissue. This system fulfills three basic functions: Defense: in the lymph nodes, the lymphocytes reproduce to respond to antigens; fat absorption: most of the fats are absorbed by the lymphatic system and subsequently transported to the blood and capillary exchange: it recovers substances that the blood flow has lost in the capillary exchange.

The principal function of the lymphatic system is to remove strange or damaging substances from tissues and eliminate them. The correct option is defending the body against both external and internal threats.

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Among other functions of the lymphatic system, its principal one is the removal of damaged cells, cancer cells, and protection of the body against the virus, bacteria, and fungi that might affect it.

The lymphatic system remove these elements from the tissues for their elimination.

All these strange microorganisms and waste substances get filtrated in the lymphatic ganglia.

Ganglia are small organs located all along with the net of lymphatic vessels, that function as lymph accumulation centers.

Lymph passes through these organs and gets filtrated and purified of waste substances.

Inside each ganglion, the lymphocytes T and lymphocytes B help the organism to fight these infections.

B cells produce antibodies that impede infection propagation by trapping the microorganisms and destroying them.

Most lymphatic ganglia are grouped near the neck, underarm, and groin.

They are also grouped in the chest, abdomen, and pelvis, where they filter blood.

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Answer:

Podemos suponer que este estudiante tiene insuficiencia de la hormona de crecimiento (somatotropina) que la secreta la glándula hipófisis y se encuentra en la base del cerebro. Esta hormona no ingresa a las células en su mecanismo de acción por ser peptídica o no esteroidea.

Explanation:

En este caso presentado se encuentra una situación diferente a lo que sucede en el gigantismo: hay un problema hormonal en donde la hormona de crecimiento es secretada de manera excesiva. Recibe el nombre de acromegalia cuando sucede después del cierre de la epífisis del hueso, luego de la edad de crecimiento.

Answer:

C, D, B, A

Explanation:

Got it right on the quiz. Also the definite order would be that D HAS to be before A and B and only the second option has that since C is lava which is the most recent.

Answer:

it is the amount of soil, sunlight, and the music they listen to

control variables are the elements that are always constant and not changed throughout the experiment.

Answer:

Through combination of each monomer using covalent bonds.

Explanation:

Most macrmolecules are made from single subunits or building blocks called monomers combine with each other using covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts.

Answer:

meiosis gonads

Explanation:

meiosis produce spermatids that turn into mature sperm in male in females are gonads

1. D (female)

2. R (male)

Answer:

lipids

Explanation:

There are four major biological macromolecules in living systems viz: carbohydrate, proteins, lipids and nucleic acids. These macromolecules play a significant role in the optimal functioning of every living organism. Like every other polymer, these macromolecules are made up of simpler units called monomers that defines their chemical structure. In turn, the monomers consists of chains of chemical elements held together.

According to the question, Sebastian has colored balls that represents the elements contained by each of these macromolecules. The colored balls and the elements they represent are as follows: Red: hydrogen, Black: carbon, Purple: oxygen, and Green: nitrogen.

Lipids are structurally made up of fatty acids and glycerol, which are long chains of carbon and hydrogen elements with a relatively small percentage of oxygen in the structure. An example is palmitic acid, which has a structural formula: CH3(CH2)14COOH

Hence, Sebastian could make a LIPID macromolecule, which consists of long chains of red (hydrogen) and black (carbon) balls since lipids are mostly made up of carbon and hydrogen elements in their structure.

Carbohydrates are composed of more percentage of oxygen in their structure. Hence, a long chain of only red (hydrogen) and black (carbon) balls cannot make them. Proteins and nucleic acids are made up of additional nitrogen and phosphorus elements in their structure.

Answer:

B. Lipids

Explanation:

Lipids contain carbon and hydrogen.

Explanation:

because it allows you to eliminate or isolate variable/ it allows the experiment to minimize the changes in all the variables except the one being test.

I'm not gonna choose bc I'm not 100% sure either so read what's above, think it over and choose wisely

hope I helped a little and good luck :)

Answer:

CFC's

Explanation:

Answer:

D, too little water

Answer:

Learner Engages in Scientifically Oriented Questions.

Learner Gives Priority to Evidence in Responding to Questions.

Learner Formulates Explanations from Evidence.

Learner Connects Explanations to Scientific Knowledge.

Learner Communicates and Justifies Explanations.

Hope this helped!!!!

Answer:

Sewage, oil, pesticides and fertilizers affect water quality.

Explanation:

There are three types of pollution i. e. air pollution, soil pollution and water pollution. Smoke and smog are present in the air is the example of air pollution, waste product, using of pesticide and industrial dumping are the example of soil pollution and chemicals in water due to runoff of fertilizer, sewage and oil are the main agents of water pollution. These three types of pollution adversely affected the water quality. Water quality will be affected when the fertilizer or pesticides runoff from land to water bodies. Sewage and oil also lowers the quality of water.

Answer:

1.  The Heartlies in the front and middle of your chest, behind and slightly to the left of your breastbone.

2. Right Atrium, Left Atrium, Right Ventricle, Left Ventricle

3. The valves prevent the backward flow of blood.

4. Arteries carry oxygenated blood while veins carry deoxygenated blood.

5. Eat Healthy, Stay Active

Explanation:

PLZ MARK AS THE BRAINLIEST

HAVE A GOOD DAY

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Answer:

Answer:

1.  The Heartlies in the front and middle of your chest, behind and slightly to the left of your breastbone.

2. Right Atrium, Left Atrium, Right Ventricle, Left Ventricle

3. The valves prevent the backward flow of blood.

4. Arteries carry oxygenated blood while veins carry deoxygenated blood.

5. Eat Healthy, Stay Active

Explanation:

PLZ MARK AS THE BRAINLIEST

HAVE A GOOD DAY

: )

Explanation:

thanks for question