Q: What is the first year of life following birth called? Choices: - baby - childhood - toddler - infancy A:
infancy

(Question)
Q: Although what biochemicals circulate throughout the body and come into contact with many different cell types, they only affect cells that possess the necessary receptors? Choices: - Cells - organs - enzymes - hormones A:
(Answer)
hormones

Ques: Q: What are most stis caused by? Choices: - vaccines - parasites - viruses - bacteria A:
Ans: bacteria

(Q).
Q: Organisms that "love" acids are known as what? Choices: - acidophobes - acidic - acid heads - acidophiles A:
(A).
acidophiles

Ques:Q: Which part of the earth is made of the rigid, brittle, solid crust and uppermost mantle? Choices: - troposphere - thermosphere - atmosphere - lithosphere A:

Ans:lithosphere

Ques: Q: Radioactive decay can give off energy and what else? Choices: - light - ions - atoms - particles A:
Ans:
particles