Answers
Answer: (1.) several hierarchical levels in an ecosystem, that share the same function in the food chain and the same nutritional relationship to the primary sources of energy (2.) that only ten percent is available to the next level
Explanation:
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Please answer quickly!!!!!
Which property of argon makes it useful for potassium-argon dating?
It decays into potassium.
It is an unstable element.
It remains trapped in rock.
It is useful only for dating newer rock.
Answers
Answer:
The correct answer is c, plz give me brainlest
Explanation:
got 100 percent on the quiz
A property of argon that makes it useful for potassium-argon dating is that it decays into potassium. Thus, the correct option for this question is A.
What is Radioactive dating?Radioactive dating may be defined as a type of methodology for dating rocks and minerals with the help of radioactive isotopes. This method is useful for igneous and metamorphic rocks, which cannot be dated by the stratigraphic correlation method used for sedimentary rocks.
Potassium-argon dating is a method of determining the time of origin of rocks by estimating the ratio of radioactive argon in order to radioactive potassium in the rock. This dating method is typically based on the decay of radioactive potassium-40 to radioactive argon-40 in minerals and rocks.
Therefore, a property of argon that makes it useful for potassium-argon dating is that it decays into potassium. Thus, the correct option for this question is A.
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Animals and plants that are unable to adapt to their environment will become
A- Prey
B- A new species
C- Extinct
D- Hungry
I think A or C
Answers
Explanation:
It really depends on how the question is phrased. Animals and plants that are unable to adapt to their enviroment will become- Hold it right there. How long will they be unadaptable? Is this forever? If so then yes, they will definately become extinct. If this is for a short amount of time then no, they will become prey, but there is also the fact that yes, they will become hungry. Because if they are not adapted then how are they gonna know the best sports for grub? Same thing for plants, if they can't adapt to the climate, they cannot produce food for themselves. Basically, if its a simple question then forget about everything else. It's Prey, because animals that can't adapt to their enviroment are immedietly in danger. Now if this question has more to it then I would go for C. But overall Just go with prey for now.
10: For the fermentation experiment: List the 4 reagents used and their function
Answers
Answer:
yeast, invertase, bacterial culture, maltase
Explanation:
Fermentation is defined as a metabolic organic substance are chemically changed with the help of enzymes. The process of fermentation is used for the production of food such as bread and beverages such as alcohol.
Reagents are the chemical used to process a chemical reaction in an expriment. So reagents used in fermentation are yeast, invertase, bacterial culture, maltase.
Yeast is a fungus used for alcohol production that that is used to improve the nutritive value of the beverage.
Invertase is an enzyme that is used to cleave the glycosidic linkage between fructose molecules and glucose.
Bacterial culture are use to ferment the process that produces alcohol and carbon dioxide.
The enzyme maltase breaks the bond between maltose and convert it into glucose.
Which best describes the permeability of a membrane?
O A. The total thickness of the membrane
B. The flexibility of the membrane
C. The number of molecules in the membrane
D. The ability to allow materials to cross a membrane
Answers
Answer:
D
Explanation:
D. is correct because the membrane works like a security guard and only allows certain materails to cross the membrane. The definition of permeability is the state or quality that allows something to pass through.
Permeability is a standard of easy motion of liquid and gases through a membrane or material. They allow the transportation and exchange of gases in a cell.
The statement that best describes the permeability of a membrane is:
Option D. The ability to allow materials to cross a membrane.
This can be explained as:
Permeability is a physical property of membranes and substances that allows the other molecules to move through them.It acts as a barrier from substances entering and exiting the cell or membrane and maintains the balance in a system.Therefore, permeability is the allowance of materials across the membrane.
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the larvae of honey bee are voracious feeder why
Answers
Explanation: Larva. After three days, the egg hatches into a worm-like form called a larva. The worker bees feed the larva royal jelly for the first few days and then switch to honey and pollen. An exception to this is a future queen: this larva continues its diet of royal jelly.
At which point in the graph has the population reached carrying capacity?
A. Point B
B. Point A
C. Point C
D. Point D
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What factors affect gravitational force?
Answers
Answer:
[tex]mass \\ weight \\ presence \: of \: other \: field \: forces[/tex]
1. Define the following terms:
a.Producer
b.Autotraph
c.Consumer
d.Heterotroph
e.Chemosynthesis
f.Photosynthesis
2. How does the stability of an ecosystem depend on its producers?
3. What are two process used by producers to obtain energy?
4. There are very few producers that live deep below a lake's surface. Suggest an explanation for this patter.
5. Could producers survive without consumers? Why or why not?
Answers
Explanation:
Autotroph are known as producers
(2) Autotroph: An organism capable of synthesizing its own food from non-living substances using light or chemical energy.
(3) Consumer: An organism that eats other organisms
(4) Heterotroph: Organisms that obtain its food and energy by taking in living or once living material, usually plant or animal matter.
(5) Chemosynthesis: Process by which some organisms, such as certai (1) Producer: An organism that makes it's own food it is the first Link any food chain[ green plants]
(2) Autotroph: An organism capable of synthesizing its own food from non-living substances using light or chemical energy.
(3) Consumer: An organism that eats other organisms
(4) Heterotroph: Organisms that obtain its food and energy by taking in living or once living material, usually plant or animal matter.
(5) Chemosynthesis: Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
(6) Photosynthesis: A process plants use to turn sunlight into food
How does the stability on an ecosystem depend on its producers?
they provide the basis for an ecosystems energy
What are the two processes used by producers to obtain energy?
photosynthesis and chemosynthesis
Few producers live deep below a lakes surface, suggest an explanation for this pattern
since sunlight is where most of the energy in an ecosystem comes from, there is less sunlight deep in a lake meaning less organisms can survive
Could producers survive without consumers?
without consumers, there would be too many producers and they would all compete with each other until they died out
I did this on quizlet, hope this helps!
Which example is a body fossil?
dinosaur footprint
shrimp burrow
fossilized animal droppings
wooly mammoth tusk
Answers
Answer:
D. wooly mammoth tusk
Explanation:
i took the test
Answer: wooly mammoth tusk
Explanation: took da test
Discuss at least two reasons why windmills are more environmentally friendly for generating electricity than methods such as nuclear, or water power (dams).
Answers
Answer:
they use wind to generate it's electricity and also because it doesn't use chemicals that may be harmful to humans and the enviroment also BLACK LIVES MATTER
Explanation:
hope this helps do NOT write black lives matter on your paper
The name of the process that takes place when sugars are broken down in the absence
of oxygen is
Answers
Answer: fermentation
Explanation:
If oxygen is absent during the second stage of cellular respiration, fermentation will occur
hope this helps :)
Buffers are substances that help resist shifts in pH by (From the close reading exercises)
A. releasing H+ to a solution when acids are added.
B. donating H+ to a solution when bases are added.
C. accepting H+ from a solution when acids are added.
D. both donating H+ and accepting H+.
Answers
Answer:
Buffers are substances that help resist shifts in pH by both donating H⁺ and accepting H⁺ (option D).
Explanation:
A buffer is a chemical substance capable of balancing the pH of a solution, when the balance is altered by the addition of an acid or a base. They are also called cushioning solution, and can be formed by an acid and its base conjugated, with a specific range of action.
The presence of a buffer in a solution has the ability to release hydrogen ions (H⁺) or accept them, helping to balance the pH, in the presence of a base or an acid, respectively. That is, a buffer can yield H⁺ to a solution when there are few or accept H⁺ when its content is high.
The other options are not correct because:
A. Buffers do not release H+ into a solution when acids are added, but accept them.
B and C. Giving up H+ to a solution when bases are added or accepting H+ from a solution when acids are added are effects that buffers can potentially do, which is described in the text above.
coal is found today where swamps used to exist
true or false
Answers
Answer:
⁶
Explanation:
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Is virus living or non living things
Answers
It's both! Scientists really can't agree on it.
Answer:
Most biologists say no. Viruses are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.
When an enzyme is exposed to a temperature higher than its optimum,
what happens?
A)Nothing
B)The enzyme catalyzes the reaction better
C)The enzyme becomes denatured
D)The rate of reaction remains the same
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what is the meaning of solvent
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Answer:
Solute is the substance that dissolves and solvent is the liquid in which the solute
Explanation:
how would you relate force and acceleration?
Answers
Force = mass * acceleration
This is Newton's second law
Explanation:
Hey there!
The external agency that brings change in body's action(i.e changes the body from rest to motion or motion to rest) is called a force.
We know;
The force is inversely proportional to acceleration. So, the best method to relate them is force in inversely proportional to acceleration of a place.
Hope it helps...
C) Explain the difference in how the plant and the woman get glucose molecules to use for energy
Answers
Answer:
Ok:
Explanation:
The woman eats and digests food to get glucose while the plant can undergo photosynthesis which forms glucose.
The plant and the woman utilize different mechanisms for accumulating glucose in their body to use for energy.
What is Glucose?Glucose may be defined as the main type of sugar in the blood which provides immediate energy to the body's tissues to perform metabolic activities.
Plants utilize the process of photosynthesis to construct their food
(glucose) with the help of carbon dioxide and water in the presence of sunlight, while the woman eats food products which are then digested into the stomach, and glucose is synthesized which is then transported into the bloodstream.
Therefore, it is well described above.
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You never have to worry about wastewater becoming contaminated because it can run through local treatment plants, true or false?
Answers
A person still have to be worried about wastewater becoming contaminated even though it passes through local treatment plants.
Wastewater refers to the water they has been used. It consists of the substances like human waste, oils, chemicals , food scraps etc.
Even though used water runs through local treatment plants, it should be noted that not all the solid waste are removed as some of the waste will still end up getting into nearby rivers or streams and this can result in contamination when one eventually uses such water.
In conclusion, one still has to be worried even though the wastewater runs through local treatment plants. Therefore, the correct option is False.
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Answer:
False
Explanation:
Which process does not release energy?
a photosynthesis
b lactic acid fermentation
c cell respiration
d alcoholic fermentation
Answers
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Which sentence correctly explains the process and conditions needed for sleet to form? (15 pointsss :)
Group of answer choices:
A. During thunderstorms and extremely cold temperatures, water droplets freeze in layers and form balls or chunks of ice.
B. Both the temperature of the cloud and the temperature of the air must be below freezing in order for the flakes to fall from the sky.
C. A liquid form of precipitation that is formed in above freezing temperatures becomes heavier as it falls the ground in the form of raindrops.
D. Ice crystals melt as they fall through a warm layer of air and then refreeze into small ice pellets as they pass through a colder layer of air.
Answers
green was not the impostor
Explanation:
u are all idiots
Answer:
gerijddhbdykbzdkvci
Which text would MOST likely require the strongest reading skills?
A: a list of library books
B: a newspaper article
C: rules for a gym membership
D: a restaurant menu
Answers
Answer:
C
Explanation:
The terms and conditions of contracts are very complex and hard to understand.
when we observe an organism or environment what are we observing A. changes B. similarities C. colors
Answers
Answer:
II really have no idea but it might be A?
Explanation:
If I'm wrong I'm so sry T-T
Answer:
A. changes
Explanation:
i took the test and i got it correct trust me
Paleomagnetism is the study of
Answers
Answer:
B
Explanation:
ancient study of both rocks and earth as a whole
Describe one physical property and one chemical property of sodium that ywe observed
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Answer:
It's a soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC (68ºF). From the commercial point of view, sodium is the most important of all the alkaline metals. Sodium reacts quickly with water, and also with snow and ice, to produce sodium hydroxide and hydrogen.
Explanation:
What would eventually happen to a cell left in a hypotonic solution?
a. The cell would not change
b. The cell would shrink and shrivel
C. The cell would get bigger and eventually explode
Answers
Answer: C. The cell would get bigger and eventually explode :) hope this helps
Answer:
I am pretty sure its C
Explanation:
the cell get bigger and explodes
HEELLPPP QUICKKK PLSSSS
10 points
Answers
Answer:
a
I THINK SORRY IF WRONG NOT 100% SURE
Explanation:
it is a because the other guy said so
8. A scientist noticed that the number of salamanders in ponds in Manatee County was
declining. This was a(n): (1 point)
O Hypothesis
O Theory
O Observation
Control
Answers
hope this helps
which lunar phase occurs when the moon is directly across from the sun with the Earth in the middle. During this phase we see light reflected off the entire near side of the moon
Answers
Blood isn't the only natural system that uses acid/base buffers. Limestone is made of calcium carbonate. How would you expect the pH of a lake with limestone bedrock to compare to other lakes after several years of acid rain?