Q: In which direction does water travel? Choices: - backwards - northwest - uphill - downhill A:
downhill

(Question)
Q: Higher temperatures increase the rate of reaction in a lot of chemical reactions because they increase the frequency of what interaction between reactant particles? Choices: - electric - explosions - waves - collisions A:
(Answer)
collisions

Ques: Q: What is the series of changes in the life of an organism? Choices: - insect metamorphosis - evolution - circle of life - life cycle A:
Ans: life cycle

(Q).
Q: Poetically speaking, nature reserves are islands of what, in a sea of habitat degraded by human activity? Choices: - refuge - habitats - ecosystem - biodiversity A:
(A).
biodiversity

Ques:Q: What is the opening in the front of the eye called? Choices: - lens - cornea - iris - pupil A:

Ans:pupil

Question: Q: What is the movement of plates called? Choices: - fracking - migration - volcanic activity - plate tectonics A:
Answer:
plate tectonics