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aleksley [76]
3 years ago
5

The EPA sets national air-quality standards for common air pollutants. The

Biology
1 answer:
fomenos3 years ago
6 0

Answer:its " with monitoring, the concentration of every pollutant has decreased."

Explanation: just took it on Ap3x

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What did the Miller-Urey experiment demonstrate?
gizmo_the_mogwai [7]

Answer:

Option C

Explanation:

Miller and Urey performed an experiment, using some inorganic molecules such as water, methane, carbon dioxide and hydrogen in laboratories conditions similar to early earth conditions .

Amino acids molecules formed as the result of this experiment, this proved that small organic molecules such as amino acids are formed from inorganic molecules.

Hence, the correct answer is option C  

6 0
3 years ago
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Gaps in the myelin sheath are called A. synapses. B. nodes of Ranvier. C. interaxons. D. ganglia.
Annette [7]
Most likely synapses because it’s gaps
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3 years ago
Different between H2 and 2h in matter​
drek231 [11]

Answer:

H2 is molecular hydrogen.it is a molecule of hydrogen that consists of two hydrogen atoms bonded together by one single bond. 2H denotes two moles of elemental hydrogen.it should be noted that elemental hydrogen is not bonded to anything.

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2 years ago
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List the four main steps of respiration
Lapatulllka [165]
Glycolysis, Link reaction, the Krebs cycle, and the electron transport chain.
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Removing a specific group of trees within a small area over a long period of time is
rjkz [21]

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Deforestation

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Deforestation

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