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WINSTONCH [101]
3 years ago
12

Which of the following events MOST affected the passage of National Environmental Protection Act of 1969?

Biology
2 answers:
Svetach [21]3 years ago
6 0
B is the answer to this question.
Rashid [163]3 years ago
3 0
<span> Which of the following events MOST affected the passage of National Environmental Protection Act of 1969?
</span>
<span> B) High oil prices </span>
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Can anyone help with one or two of these questions? ill give brainliest
Marianna [84]

Answer:

1.  1.00(1/2)^151/30.2= 31.3 g

2. 24g-->1.4 g = 4 half-lives, so 4*5730= 22920 years

3.  64g-->2.0g = 5 half-lives, so 12.5/5= 2.5 hours

6 0
3 years ago
Oxygenated blood flows from the __________ to the __________ before being pumped into the systemic circulation.
jeka94

Answer: from the pulmonary veins into the left atrium.

Explanation:

After oxygenation of blood in the lungs, the right and left pulmonary veins carry oxygenated blood and empties it into the left atrium. The left atrium then empties the blood into the left ventricle through the left atrioventricular valve.

With contraction, the ventricle pumps the blood to the systemic circulation through the aorta. The blood flow into the aorta is guarded by the aortic valve.

7 0
3 years ago
1. How did dark matter affect the development of structures in the early universe?
-Dominant- [34]

Answer:

1. It seeded the development of galaxies

2. The percentage of dark matter has shrunk in scientists' estimates since the 1980s

The percentage of unknown material has grown in scientists' estimates since the 1970%

3. Supernovae that are moving away at an accelerating rate.

Explanation:

1. How did dark matter affect the development of structures in the early universe?

It seeded the development of galaxies.

It seeded the development of quasars.

It cooled pockets of gas to form nebulae.

it became part of black holes

2. How has scientific understanding about the composition of the universe changed over time? Select the two correct answers.

The percentage of dark matter has shrunk in scientists' estimates since the 1980s

The percentage of unknown material has grown in scientists' estimates since the 1970%

The percentage of ordinary matter has grown in scientists' estimates.

The percentage of dark energy has shrunk in scientists estimates

3. Which is evidence for the existence of dark energy?

Pulsars that seem to be moving closer at an accelerating rate.

Supernovae that are moving away at an accelerating rate.

Black holes that are expanding at a constant rate.

Galaxies that are rotating at a constant rate.

<u><em>Please don't use these answer's to cheat they are to help only.</em></u>

6 0
3 years ago
HELP ASAP 10 pts per person, plz back up your answers with reasons plzz
expeople1 [14]

Answer: Its A

Explanation:

I took the test

3 0
2 years ago
What combines with sugar and a phosphate group to form a nucleotide
-Dominant- [34]
Nitrogen Containing Base. It can be either Adenine, Guanine, Thymine, Cytosine, Uracil 
4 0
3 years ago
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