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melisa1 [442]
3 years ago
10

Help me with this lol

Biology
1 answer:
Artemon [7]3 years ago
5 0

Answer:

both animal cells and plant cells have mitochondria

Explanation:

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Plz help quickly
densk [106]

Answer:

The correct answers are A, B and D. The Clean Air Act was important because it emphasized cost-effective methods to protect the air; encouraged people to study the effects of dirty air on human health; and created a regulation that makes any activities that pollute the air illegal.

Explanation:

The Clean Air Act is a federal federal law designed to control air pollution nationwide. The Environmental Protection Agency (EPA) is required to develop and enforce the regulations to protect the general public from exposure to air pollutants that are known to be dangerous to human health. The 1963 law established a basic research program, which was expanded in 1967. The main changes to the law, which require regulatory controls of air pollution, were promulgated in 1970, 1977 and 1990.

The 1970 amendments significantly expanded the federal mandate by demanding broad federal and state regulations, both for fixed sources of pollution (industrial) and mobile sources.

In 1990 provisions were added to deal with acid rain, depletion of the ozone layer and toxic air pollution, and a program of national permits of fixed sources was established. Also new requirements were established for the reformulation of gasoline, the adjustment of Reid vapor pressure (RVP), which measures the volatility of gasoline; and the norms to control the evaporation emissions of the gasoline.

The Clean Air Act is important because it was the first important environmental law in the United States to include a disposition regarding citizen demands. Numerous local and state governments have promulgated similar laws, either the execution of federal programs or to fill important loopholes at the local level in federal programs.

4 0
3 years ago
Read 2 more answers
What is a reservoir as it relates to the nutrient cycles ?
kirill [66]

Explanation:

"Function of a reservoir in a nutrient cycle is to meet the deficit which occurs due to imbalance in the rate of influx & efflux. Give an account of energy flow in an ecosystem."

6 0
3 years ago
Read 2 more answers
Please help!
Maslowich

Answer: A low pCO2 indicates respiratory alkalosis which may be primary or secondary to a primary metabolic acidosis. Bicarbonate is calculated from measured [H+] and pCO2 values. A high standard [HCO3- ] indicates either primary metabolic alkalosis or a compensatory response to a primary respiratory acidosis.

Explanation: an increase in PCO2 causes a decrease in pH, which will increase minute ventilation and therefore increase alveolar ventilation to attempt to reach homeostasis. The higher the minute ventilation, the more exchange and loss of PCO2 will occur inversely.

8 0
1 year ago
The best source of internal motivation is from
dybincka [34]
<span>positive self talk is the best source of internal motivation.</span>
3 0
3 years ago
When the body responds to its own cells as foreign antigens this results in?
Artemon [7]

its autoimmune disease

8 0
3 years ago
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