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

(Q).
Q: Arguably the most important ingredient in saliva for digestion is a type of what, which initiates the breakdown of carbohydrates? Choices: - amino - genes - fatty - enzyme A:
(A).
enzyme

(Q).
Q: Alpha and beta decay occur when a nucleus has too many protons or an unstable ratio of what? Choices: - electrons to neutrons - atoms to neutrons - nucleus to neutrons - protons to neutrons A:
(A).
protons to neutrons