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umka21 [38]
3 years ago
14

How does coal create a negative impact to the environment?

Biology
1 answer:
telo118 [61]3 years ago
5 0
Coal creates a negative impact on the environment because it contains sulfur and other harmful elements. When you burn coal these elements are then released into the air. And it can cause air pollution and health dangers as it releases a lot of carbon dioxide. 
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Assuming that coleman???s hypotheses about the ob and db genes are correct, rank the mice by the amount of appetite-suppressing
otez555 [7]
Coleman hypothesized that the product of the ob+ gene was the appetite-suppressing hormone. Therefore, the homozygous ob/ob mutant would be unable to synthesize that hormone, and its circulating level would be zero. Coleman also hypothesized that the product of the db+ gene was the the receptor for the appetite-suppressing hormone. Therefore, the homozygous db?db mutant would be able to respond to it. It would eat excessively and produce large amounts of body fat, which in turn would produce large amounts of appetite-suppressing hormone. In the absence of a receptor, the db/db mutant's hormone level would remain abnormally high.
Both the ob/ob mutant and the db/db mutant are obese because neither is capable of suppressing its appetite. The ob/ob mutant produces no appetite suppressing hormone and so eats excessively. The db/db mutant cannot respond to the appetite-suppressing hormone and therefore eats excessively.
7 0
3 years ago
What life changes do people<br> face in middle adulthood?
MissTica

Answer:

Middle adulthood, or middle age, is the time of life between ages 40 and 65. During this time, people experience many physical changes that signal that the person is aging, including gray hair and hair loss, wrinkles and age spots, vision and hearing loss, and weight gain, commonly called the middle age spread

Explanation:

8 0
2 years ago
PLEASE HELP!!!!!
Zigmanuir [339]
1) closed circulation

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2 years ago
How does the heart pump blood from the right ventricle to the lungs and the left ventricle to the rest of the body? (mention the
netineya [11]
The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.
4 0
2 years ago
Match the map with its use. 1. geologic map I want to take a nature hike through the woods. I wonder if it is hilly? 2. topograp
attashe74 [19]

1. Topographic map: I want to take a nature hike through the woods. I wonder if it is hillly?

2. Geologic Map: I want to study the physical features of my area, but also know what kinds of rocks it has.

Those should be the answers.

Hope this helped :) Have a great day

7 0
2 years ago
Read 2 more answers
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