Ques:Q: What is the minimum number of pulleys needed for a compound pulley? Choices: - 1 - 4 - zero - 2 A:

Ans:2
-----
Ques:Q: What is an advantage of brightly colored fruits? Choices: - make pretty paintings - dyes for clothing - warning of poisons - attract animals to disperse their seeds A:

Ans:attract animals to disperse their seeds
-----
Ques:Q: What type of energy does chemosynthesis use to make food? Choices: - GRAVITATIONAL energy - CHEMICAL energy - carbon energy - chemical energy A:

Ans:chemical energy
-----
Ques:Q: What is electrons in the highest occupied principal energy level of an atom called? Choices: - non-valence electrons - shell electrons - gradient electrons - valence electrons A:

Ans:
valence electrons
-----