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wel
3 years ago
6

What is the function of a chloroplast in a cell? A. It controls the water content. B. It provides support and protection. C. It

converts light energy into chemical energy. D. It breaks down waste materials
Biology
1 answer:
Anton [14]3 years ago
7 0
The correct answer is B. it provides support and protection.
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What have the scientific studies identified as the major cause of acid rain in the united states?.
Vadim26 [7]

Burning of fossil fuels that release sulphur and nitrogen compounds into the air is identified as the major cause of acid rain in the united states.

<h3>What are the causes of acid rain?</h3>
  • Acid Rain is created when sulphate and nitrogen oxides from the atmosphere react with rainwater and fall as a result.
  • Sulphur and nitrogen particles that mix with the wet elements of rain are the main causes in the production of acid rain.
  • Due to air pollutants, notably the excessive levels of sulphur and nitrogen released by machinery and industrial operations, acid rain is made up of water droplets that are extremely acidic.
  • The emissions that are released from industries are man-made causes.
  • The natural causes, such as lightning strikes in the atmosphere that release nitrogen oxides and volcanic eruptions that release sulphur oxide.

The complete question is :

What have the scientific studies identified as the major cause of acid rain in the United States?

a )chemicals still in the atmosphere from the asteroid collision with the earth

b) excess solar radiation due to the depletion of the ozone layer

c) volcanic ash in the air

d) burning of fossil fuels that release sulphur and nitrogen compounds into the air

To learn more about acid rain , refer:

brainly.com/question/6700006

#SPJ4

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Most animals use a circulatory system in which blood or a similar fluid is circulated among body tissues. Which animals do NOT d
zimovet [89]

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B

Explanation:

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In humans, dimples are dominant to not having them. If a heterozygous female mates with a male who is also heterozygous, what ar
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<em>IMPORTANT NOTE: Due to technical problems, you will find t</em><em>he answer and the complete explanation</em><em> in the attached file.</em>

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What is the main function of the Krebs cycle?
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Answer:

B

Explanation:

The Krebs cycle fuels the production of ATP, aka energy. Hope I helped :)

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