Q: What is the term for preserved remains or traces of organisms that lived in the past? Choices: - deposits - bones - remains - fossils A:
fossils

(Question)
Q: What is the skin of most reptiles covered with? Choices: - pores - cuticle - hairs - scales A:
(Answer)
scales

Ques: Q: What theory explains the physical behavior of gases? Choices: - thermodynamic theory of gases - relativity theory of gases - quantum theory of gases - kinetic theory of gases A:
Ans: kinetic theory of gases

(Q).
Q: Found in plants and algae, chloroplasts are the site of what process? Choices: - transferase - glycolysis - spermatogenesis - photosynthesis A:
(A).
photosynthesis

Ques:Q: What forms when nitrogen and oxygen combine at high temperatures? Choices: - oxygen oxide - ammonia oxide - carbon dioxide - nitrogen oxide A:

Ans:nitrogen oxide

Q: The expulsion stage begins when the fetal head enters what? Choices: - head is outside vagina - you can see the umbilical cord - uterus - birth canal A:
birth canal