Q: What type of waves radiate energy out from an earthquake's focus? Choices: - Microwaves - abnormal - volcanic - seismic A:
seismic

(Question)
Q: What type of barrier physically blocks pathogens from entering the body? Choices: - Solid - potential - molecular - mechanical A:
(Answer)
mechanical

Ques: Q: What is the smallest main part of the brain? Choices: - the cortex - the claw - the cerebellum - the stem A:
Ans: the stem

(Q).
Q: During what do homologous chromosomes separate and go to different daughter cells? Choices: - birth - mitosis - electrolysis - meiosis A:
(A).
meiosis

Ques:Q: What type of gases trap heat in the atmosphere, causing earth to have a moderate temperature? Choices: - ozone gases - carbon monoxides - sulfuric gases - greenhouse gases A:

Ans:greenhouse gases

Ques:Q: What destroys the filtered pathogens? Choices: - parasites - neutrophils - antibodies - lymphocytes A:

Ans:
lymphocytes