Q: How do leaves export sugar to roots and other nonphotosynthetic parts of the plant? Choices: - stems - chloroplasts - glands - veins A:
veins

(Question)
Q: Controlled variables are kept what to prevent them from influencing the effects of the independent variable on the dependent variable? Choices: - mechanical - temporary - fleeting - constant A:
(Answer)
constant

Ques: Q: What type of living things break down dead organisms and recycle their nutrients into the soil? Choices: - producers - consumers - probiotics - decomposers A:
Ans: decomposers

(Q).
Q: What is unique and found in all living things because it can form up to four covalent bonds between atoms or molecules? Choices: - hydrogen - oxygen - potassium - carbon A:
(A).
carbon

Ques:Q: When gas particles heat up and gain energy, what do they do? Choices: - go up - stop - move slower - move faster A:

Ans:move faster

Ques:Q: What effect in the atmosphere ensures that the earth maintains the correct temperature to support life? Choices: - coriolis effect - ozone effect - smog effect - greenhouse effect A:

Ans:
greenhouse effect