Q: What does the urea cycle process? Choices: - calcium - urine - oxygen - nitrogen A:
nitrogen

(Question)
Q: Organs of what male biological system include the penis, testes, and epididymis? Choices: - immune system - romantic system - circulatory system - reproductive system A:
(Answer)
reproductive system

Ques: Q: What is the branch of science that studies the physical world? Choices: - social science - botany - Ecology - physics A:
Ans: physics

(Q).
Q: Competition is a relationship between organisms that depend on the same resources. the resources might be food, water, or what? Choices: - thought - language - time - space A:
(A).
space

Ques:Q: The attractive force between water molecules is what kind of reaction? Choices: - symmetrical reaction - aquatic reaction - diffusion reaction - dipole reaction A:

Ans:dipole reaction

Q: Oils are liquid lipids that plants use to store what? Choices: - fat - carbo - Protein - energy A:
energy