Ques:Q: What is used to date older fossils? Choices: - search engines - litmus testing - electron microscopes - radioactive isotopes A:

Ans:radioactive isotopes
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Ques:Q: Which factor causes a cannon ball to move horizontally and then fall on the ground? Choices: - cone motion - fluid motion - downward motion - projectile motion A:

Ans:projectile motion
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Ques:Q: What is the name of the blood protein that carries oxygen from the lungs to the body's assorted tissues? Choices: - insulin - plasma - White Blood cells - hemoglobin A:

Ans:hemoglobin
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Ques:Q: What is the name of the galaxy we live in? Choices: - Centaurus A - Andromeda - Bode's Galaxy - milky way A:

Ans:
milky way
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