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neonofarm [45]
2 years ago
15

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

Biology
1 answer:
mart [117]2 years ago
6 0

Answer: The percentage of unknown material has grown in scientists estimates since the 1970’s; the percentage of dark matter has shrunk in scientists estimates since the 1980s

Explanation:

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<h2>Answer:</h2>

Because condensation on the slant effects the bacterial growth in the test tube.

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A unicellular microorganism was recovered from a hot spring (95oc) in wyoming. the cells lack a nucleus, have a cell wall that l
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Which of the following subatomic particles do not have a charge?
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Answer:

<h2>Which of the following subatomic particles do NOT have a charge? </h2><h2>a) protons </h2><h2>b) electrons </h2><h2>c) neutrons </h2><h2>d) ions </h2>

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