I'm for certain the answer is a.) b<span>oth viruses and bacteria are invisible to the naked eye.
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Answer: Reverse transcriptase
Answer:
C. when a portion of the moon passes through the earth's umbral shadow.
Explanation:
A partial lunar eclipse occurs when the Earth passes between the sun and moon but the celestial bodies are not arranged in a straight line. When that occurs, a small part of the moon's surface is covered by the darkest, central part of the shadow of the Earth called the umbra. The rest is covered by the outer part of the shadow, termed penumbra.
Answer:
I think it is because the sun has released energy and looses light in that area because of it.
Explanation: