Q: What is one major cause of skin cancer? Choices: - visible light - sunscreen - infrared light - ultraviolet light A:
ultraviolet light

(Question)
Q: If an elephant and a boy are falling towards the ground, who will land first? Choices: - the boy - neither will land - the elephant - both same time A:
(Answer)
both same time

Ques: Q: Splitting of the nucleus of a radioactive atom into two smaller nuclei yields what type of reaction, which releases a great deal of energy from a small amount of matter? Choices: - solar fission - nucleation - nuclear fusion - nuclear fission A:
Ans: nuclear fission

(Q).
Q: What is the bulb called in the frontal lobe that processes smells? Choices: - peripheral bulb - auditory bulb - sensory bulb - olfactory bulb A:
(A).
olfactory bulb

Ques:Q: How many different amino acids make up proteins. Choices: - 14 - 25 - 30 - 20 A:

Ans:20

Ques:Q: What is aggravated by practices such as logging, mining, construction, and paving surfaces? Choices: - global warming - seismic activity - water pollution - soil erosion A:

Ans:
soil erosion