Q: What is the term for land that has permanently frozen soil? Choices: - ice desert - snow-field - Arctic - permafrost A:
permafrost

(Question)
Q: What term is used to describe the parts of the brain involved in the reception and interpretation of sensory stimuli collectively? Choices: - glial cells - neurons - medulla oblongata - sensorium A:
(Answer)
sensorium

Ques: Q: Birds evolved from what type of ancestor? Choices: - apes - insect - fish - reptile A:
Ans: reptile

(Q).
Q: What occur when elements switch places in compounds? Choices: - chemical interaction - chain reaction - chemical reaction - replacement reactions A:
(A).
replacement reactions

Ques:Q: As per hutton's unconformity, what happened to the intermediate layers of rock? Choices: - they metamorphized - they fused - they expanded - they eroded away A:

Ans:they eroded away

Ques: Q: What layer, made of hot, solid rock, is beneath the earth's crust? Choices: - marble - core - magma - mantle A:
Ans:
mantle