Q: What do you call a reaction that consumes energy as it is carried out? Choices: - autotrophic - exothermic - unstable - endothermic A:
endothermic

(Question)
Q: Named after the dutch physicist, the van de graaff is a type of what device used for nuclear research? Choices: - radiation detector - electromagnetic - barometer - accelerator A:
(Answer)
accelerator

Ques: Q: What shape is the lens of the eye? Choices: - spherical - angular - concave - convex A:
Ans: convex

(Q).
Q: What is the name of pluto's moon? Choices: - Phobos - Titania - Europa - charon A:
(A).
charon

Ques:Q: What is the name of the thin layer that acts as a boundary between the stratosphere and the mesosphere? Choices: - spirogyra - ozone layer - spicule - stratopause A:

Ans:stratopause

Ques:Q: Carbon-14 dating is a method of what kind of dating? Choices: - orbital - stratigraphy - metamorphic - radiometric A:

Ans:
radiometric