Q: Ionic compounds take on the form of extended three-dimensional arrays of cations and what else? Choices: - oxides - electrons - crystals - anions A:
anions

(Question)
Q: Vitamin d is made in the skin when it is exposed to what? Choices: - darkness - water - dirt - sunlight A:
(Answer)
sunlight

Ques: Q: Stimuli in the brain, stomach, and small intestine activate or inhibit production of what secretion? Choices: - metabolic juice - sweat - digestive juice - gastric juice A:
Ans: gastric juice

(Q).
Q: What is the second stage of cellular respiration? Choices: - beatnik cycle - duocycle - marr cycle - krebs cycle A:
(A).
krebs cycle

Ques:Q: The joint that lies between the radius and the ulna is what kind of joint? Choices: - hinge joint - socket joint - shaft joint - pivot joint A:

Ans:pivot joint

Q: All enzymes have an optimal temperature and what? Choices: - shapes - weight - ions - ph A:
ph