Q: As air pressures inside and outside of the ear equalize, what phenomenon is produced? Choices: - eyes blinking - throat scratching - heart skipping - ear popping A:
ear popping

(Question)
Q: What will happen to a rock when it's under tremendous stress? Choices: - it will slow - it will solidify - it will rebound - it will fracture A:
(Answer)
it will fracture

Ques: Q: What makes up 99 percent of air? Choices: - oxygen and dioxide - phosphorus and oxygen - dioxide and nitrogen - nitrogen and oxygen A:
Ans: nitrogen and oxygen

(Q).
Q: Where are integral proteins embedded? Choices: - cytoplasm - hemoglobin - mitochondria - libid bilayer A:
(A).
libid bilayer

Ques:Q: What are fresh water biomes defined by? Choices: - high salt content - moving water - animal species - low salt concentration A:

Ans:low salt concentration

Q: What warms the base of the mantle creating convection currents there? Choices: - mantle soil - the hot regenerate - molten lava - the hot core A:
the hot core