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11Alexandr11 [23.1K]
3 years ago
13

3. What is the main cause of acid rain?

Biology
1 answer:
Serjik [45]3 years ago
3 0
Your answer is Burning of fossil fuels
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List and define the four main elements of the water cycle.<br> (SCIENCE)
anyanavicka [17]

Answer:

There are four main stages in the water cycle. They are evaporation, condensation, precipitation and collection

Explanation:

Evaporation- Is the the process in which water changes from a liquid to a gas or vapor.

Condensation- Is the process in which water vapor or gas in the air is changed into a liquid. Is the opposite of evaporation.

Precipitation- Precipitation is water from clouds in the form of rain, freezing rain, sleet, snow, or hail.

Collection- This is when water that falls from the clouds as rain, snow, hail or sleet, collects in the oceans, rivers, lakes, streams. Also some will soak into the ground and will collect as ground water.

Hope this helps ya!!

7 0
3 years ago
Population of top level consumers in a particular ecosystem were rapidly decreasing. Further studies revealed that there was als
Lana71 [14]

Answer

Since the whole ecosystem depends on the primary producers for survival, definitely all the sizes of the population in the ecosystem will be affected. The producers(green plants ) makes use of sunlight to supply  the needed energy as food substances for the consumers ( rabbit) to feed on, and the  Consumers is eaten by the top level consumers e.g Leopard.

Therefore, if the population of  top level consumers is decreasing, this indicated that the secondary consumers population is reducing,  due to reduction in energy obtained from primary producers which has dropped due to  the decline in productivity.Hence nothing fort the top consumers to feed on.

Explanation:

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3 years ago
Describe why some parts of Earth's surface receive more of the Sun's heat than other parts
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Biology books used to describe interphase as the “resting phase.” Based on what we know now, what was wrong with this term?
melisa1 [442]

Answer: because in the interphase the cell still goes through changes(growth, replication of its DNA), they are just not visible by microscope. Therefore, the cell isn't resting.

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3 years ago
Enzymes that can digest food are found in vesicles called
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<span>The answer is C. lysosomes.</span>

<span>
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<span>Lysosomes are spherical organelles that contain many hydrolytic enzymes with a role to break down different kind of molecules. In lysosomes, pH is usually acidic (4.5 - 5.0) so enzymes can be stable and can work properly.</span>

4 0
3 years ago
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