Q: A point defect can be an atom missing from a site in the crystal known as a what? Choices: - void - deficiency - vacuum - vacancy A:
vacancy

Q: What happens when materials return to their original shape? Choices: - reverberation - second life - restoration principle - elastic rebound A:
elastic rebound

Q: Q: What forms when a solute dissolves in a solvent? Choices: - chemical - gas - liquid - solution A:
A: solution

Question: Q: What is the evolutionary history of a group of related organisms called? Choices: - lineage - superfamily - ancestry - phylogeny A:
Answer: phylogeny

*Question*
Q: What should a pregnant woman avoid while pregnant? Choices: - healthy food - vitamins - rest and relaxation - toxic substances A:
**Answer**
toxic substances

(Q).
Q: What are two nonliving things that all living things need for survival? Choices: - sunlight - calcium - methane - water and air A:
(A).
water and air