Q: What causes rivers to always flow downhill? Choices: - slope - pressure - diffusion - gravity A:
gravity

(Question)
Q: The myod protein deserves its designation as a master regulatory what? Choices: - hormone - protein - enzyme - gene A:
(Answer)
gene

Ques: Q: What explains the spherical shape of ceres, once thought to be the largest asteroid? Choices: - orbital plane - space debris - low gravity - high gravity A:
Ans: high gravity

(Q).
Q: Birds have a relatively large heart and a rapid what? Choices: - lifespan - blink rate - digestive process - heart rate A:
(A).
heart rate

Ques:Q: What is the equation of power released? Choices: - amplitude x current - detonation x current - uptake x current - voltage x current A:

Ans:voltage x current

Q: Bacteria are responsible for many types of what in humans? Choices: - colors - smells - food - diseases A:
diseases