Answer:
Generally, if a cell does not recognize something, it will launch an immune response.
Explanation:
This is why individuals who have organ transplants must be put on immunosuppressants, when cells do not recognize a foreign body they will immediately assume it is harmful and make an attempt to attack it.
Based on the diagram, what would happen if Earth had no atmosphere?
Diagram of greenhouse effect showing the sun, atmosphere, and human activities that release greenhouse gases. The diagram shows that sunlight is reflected back to space by the atmosphere, absorbed at the surface, and reflected by the surface. Greenhouse gases trap heat from the sun. Examples of human activities include CFCs and haloalkane from refrigerators and aerosols, nitrous oxide from gasoline and agriculture, methane from cattle and fertilizer, and carbon dioxide from oil and coal.
Human activities would not release greenhouse gases.
Greenhouse gases would not trap heat from the sun.
Sunlight would not be absorbed at the surface.
Surface temperatures would be maintained.
Based on the diagram, we can confirm that if Earth had no atmosphere, Greenhouse gases would not trap heat from the sun.
Why would these gases not trap heat from the sun without the atmosphere?Greenhouse gases are located in the atmosphere, therefore, without it, they would not be able to trap the heat from the sun. Although high concentrations of these gases are a modern problem in global warming, these gases are a natural part of the earth and are necessary to maintain livable temperatures at the surface of the earth.
Therefore, we can confirm that if Earth had no atmosphere, Greenhouse gases would not trap heat from the sun.
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Answer:
Greenhouse gases would not trap heat from the sun.
Got it right. Have a great day!
Which of the following best explains why deforestation increases the risk of floods in an area? a. Tree leaves catch and retain rain water. B. Trees block the free flow of water. C. Deforestation increases precipitation. D. Tree roots improve soil water retention. Please select the best answer from the choices provided A B C D.
Deforestation increases the risk of floods in an area tree roots improve soil water retention.
Why does deforestation result in higher flood risk?When deforestation takes place, the top layer of soil can be dislodged – this is also known as soil erosion.
When the top layer of soil is unstable, it is unable to retain any of the water that falls on it, resulting in increased surface run-off, which, in turn, increases the risk of flooding.
Thus, option "D" is correct.
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If you find a rock that has a belemnite fossil in it. how old is the rock? Explain your reasoning
Answer:
See below.
Explanation:
Belemnites is a genus of an extinct group of cephalopodsThese cephalopods existed in the Early Jurassic period from the Hettangian age (196.5–199.6 million years ago) to the Toarcian age (175.6–183.0 million years ago). Therefore, the discovered rock could be anywhere from 175.6 - 196.5 million years oldWhat is the difference between a rock and a mineral?
PLEASE HELP ME MENTALLY AND PHYSICALLY!!!
Answer:
what they are classified as the chemicals in them and what category there in
Explanation:
A mineral is a solid, inorganic, naturally occurring, ordered arrangement of an element or compound that has a fairly specific composition.
Answer:
rocks are made up of different minerals
in geology a mineral is a naturally occuring chemical compound that can be found in the ground and mountains
Explanation:
example
schist is a rock
some of the minerals inside of schist are :
quartz , graphite and talc
quartz are used in watches
graphite are in pencils
talc used to be used for talcum baby powder
schist is found in the bedrock of new york and is very strong
thats why new york can have such tall buildings
wikipedia britannica bgsacuk opentextbcca massgov
1. Is sneezing and coughing on clothes better than using tissue paper?
2. Do disinfect wipes work effectively?
Answer:
1. no because the bacteria will stik on your clothes
2. yeah
What system plays a vital role in the existence of the human species?
What's the ans?
Answer:
The reproductive system.
Explanation:
Without the reproductive system, humans are not able to reproduce meaning the human species would go extinct. With the reproductive system, humans are able to create more humans, in this way humans do not go extinct.
Which best describes how human circulatory and respiratory systems interact
Answer:
When a person inhales, the lungs expand and fill with fresh air. The respiratory system interacts with the circulatory system to transfer oxygen from fresh air to red blood cells in the lung arteries while also releasing carbon dioxide from the blood into the air in the lungs. When a person exhales, this used air leaves the body.
Explanation:
What three identifying features of a chromosome are used to pair homologous chromosomes in a karyotype?.
Answer:
To "read" a set of chromosomes, scientists use three key features to identify their similarities and differences:
Size. This is the easiest way to tell chromosomes apart.
Banding pattern. The size and location of Giemsa bands make each chromosome unique.
Centromere position. Centromeres appear as a constriction.
Explanation:
Which BEST describes the effect on the respiratory system if the human body did not contain a circulatory system?
A
Explanation:
If the body had no respiratory system, then the body would not be able to exchange gases which may lead to body suffocation and then death
Why does the DNA move through the gel when an electrical current is generated?
Answer:
DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively charged electrode. Shorter strands of DNA move more quickly through the gel than longer strands resulting in the fragments being arranged in order of size.
Explanation:
Help please tell me if I'm wrong
i believe the answer is C. however I'm not certain.
Why do many people believe the current aid to Africa situation is doing more harm than good?
A) Countries are only relying on charitable contributions from religious based organizations.
B) There is not enough money being sent to Africa to do enough good.
C) Most government to government aid has been pocketed by corrupt officials.
D) Most people in Africa are not educated enough to use the money wisely.
Answer:
yes it is C
Explanation:
i saw the answer on quizlet
Monosaccharides disaccharides and polysaccharides are examples of:.
Answer:
Carbohydrates
Explanation:
Which step constitutes the power stroke of muscle contraction?.
Butterflies laying their eggs on milkweed plants occurs at what level of the biosphere hierarchy? a. Ecosystem b. Biome c. Population d. Community.
Butterflies laying their eggs on milkweed plants occurs at the community level of the biosphere hierarchy.
What do you mean by Biosphere?The biosphere may be defined as the area of the planet where organisms live, including the ground and most commonly air.
During the process of pollination, butterflies lay their eggs on the milkweed plant, which is considered under the community level of the biosphere hierarchy.
Therefore, Butterflies laying their eggs on milkweed plants occurs at the community level of the biosphere hierarchy.
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Answer: d
Explanation:
What do you think influences how fast a river flows?
Answer:
how ever fast the wind is
Explanation:
Answer:
The shape of its channel, the gradient of the slope that the river moves along, the volume of water that the river carries, and the amount of friction caused by rough edges within the riverbed.
Explanation:
Everything above what I said: is influencing the speed of a river
If an herbicide were to selectively inhibit development of antheridia in a moss colony, what would be the consequence?
The most likely consequence of a herbicide that selectively inhibits the development of antheridia would be the reproduction of female plants only.
Whta are antheridia?The antheridia are haploid reproductive structures that produce male gametes in some types of plants.
The antheridia can generate a special type of biflagellate sperm (male gametes) required during se_xual reproduction.
Conversely, archegonia is a structure that produces a single egg, i.e., the ovum or female gamete.
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Muscle tissue, one of the four basic tissue groups, consists chiefly of cells that are highly specialized for.
Muscle tissue, one of the four basic tissue groups, consists chiefly of cells that are highly specialized for contraction.
What is muscle tissue?Muscle tissue are body tissues that are made up of cells, these cells helps to produce movement of the various body part.
This movement are enhance through contraction of the muscle and the tissue are adequately supplied with blood vessels.
Therefore, muscle tissue, one of the four basic tissue groups, consists chiefly of cells that are highly specialized for contraction.
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Describe two effects that ingesting microbeads has on aquatic organisms.
Answer:
micro-beads can cause blockages in the digestive tracts of aquatic organisms.
This can prevent digestion of food hence the organism will eventually die of starvation.micro-beads can increase organic matter in a pond hence killing the aquatic organisms present.
This increases the number of decomposers which grow rapidly and use a great deal of oxygen during their growth and lead to depletion of oxygen as the decomposition process occurs. A lack of oxygen can kill aquatic organisms.Explanation:
True or False: In a box and whisker plot, 50% of the data is between Q1 and the median
Answer:
Minimum = 0%
Q1 (Lower Quartile) = 25%
Median = 50%
Q3 (Upper Quartile) = 75%
Maximum = 100%
That is true. In a box and whisker plot, Q1 is the first quartile (first 25% of the data) is between the lower quartile (Q1) and the median. The median is the middle, so 50% will fall between Q1 and the median. It's important to understand the various measures of central tendency and how they can be used to analyze the spread of data within a given set, which can provide valuable insights and understanding about the overall trends present within the data.
Which change in surface water will cause a decrease in groundwater?
a.rising temperature melt glaciers
b.drought decreases the flow of streams
c.treated wastewater is released over a field
d. water conservation methods are adopted by a town
Answer: D
Explanation:
Topic : Photosynthesis and Energy transfer in food chains
App : Teams Homework
Note : it’s ok if u can’t write an essay but can anyone please share their ideas so I can put it together
Can someone please help with number 38
Answer:
The answer is (c)
Explanation:
Placenta previa. The placenta is a structure that develops in the uterus during pregnancy.
The female gametophyte is a _______ structure called an embryo sac, while the male gametophyte is a _______ structure called a pollen grain. When pollen attaches to the stigma of a flower, one of the sperm cells fertilizes an egg cell, producing a _______ zygote. Another sperm cell fertilizes the polar nuclei, forming a ________ endosperm. The _____ will eventually develop into the sporophyte.
The answers to the blank spaces in the question are as follows:
HaploidHaploidDiploidTriploidZygoteWhat is double fertilization?Double fertilization is a specific feature of angiosperms involving two male gametes and one female gamete.
In double fertilization, both the female and male gametes are haploid structures i.e. contain one set of chromosome.
One of the haploid sperm cells fertilizes an haploid egg cell, producing a diploid (2n) zygote. However, the other sperm cell fertilizes the polar nuclei, forming a triploid endosperm.
The zygote will eventually develop into the sporophyte (vegetative plant).
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n aliens, yellow eyes are dominant over red eyes. Two monsters who both have yellow eyes have a baby monster who has red eyes. The daddy monster is convinced that the hospital gave them the wrong baby monster! You are brought in to solve the case! Could this REALLY be their baby? WHY OR WHY NOT????
Answer:
Yes
Explanation:
If one of the babies parents had a red eye rececent gene (a gene from THIER parents) then the baby monster would have red eyes, since red is dominant over yellow.
The weight of an object also depends on
Answer:
the value of the acceleration of gravity.
Explanation:
In photosynthesis what is the end product of carbon dioxide?
Answer:
Carbohydrates(glucose) and Oxygen.
Explanation:
During the process of photosynthesis, Carbon dioxide and Water combine in the presence of Sunlight and Chlorophyll to produce Carbohydrates (glucose) and Oxygen. Thus, the end products of photosynthesis are Carbohydrates(glucose) and Oxygen.
Three examples of mitotic reproduction are __________________________, __________________________, and _______________________________
Answer:
Yeast budding. Binary fission. Replacement of worn out tissues.
Explanation:
If the same object was taken to each of the planets, where would it weigh the most, and where would it weigh the least?
Answer:
answer in the link.
Explanation:
Models of both atmospheric and oceanic circulation show predictable patterns of air and water movement across the globe. The
phenomenon that MOST directly causes these atmospheric and oceanic circulation patters is
Coriolis effect is the phenomenon that most directly causes these atmospheric and oceanic circulation patterns.
What is Coriolis effect?This is defined as an apparent deflection of the path of an object that moves within a rotating coordinate system.
Atmospheric and oceanic circulation patterns aride from deflection of the direction of air and water currents moving towards or away from the poles.
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What happens to the lac operon when both glucose and lactose are present?
Answer:
If both glucose and lactose are both present, lactose binds to the repressor and prevents it from binding to the operator region. The block of lac gene transcription is thus lifted, and a small amount of mRNA is produced.
Explanation: