Q: What branch of science is based on the modern atomic theory, which states that all matter is composed of atoms? Choices: - physics - psychology - biology - chemistry A:
chemistry

(Question)
Q: A reference point is used in measurement to make what? Choices: - deviation - focal point - regression - estimation A:
(Answer)
estimation

Ques: Q: Organisms that "love" acids are known as what? Choices: - acidophobes - acidic - acid heads - acidophiles A:
Ans: acidophiles

(Q).
Q: A pulley is a simple machine that consists of a grooved wheel and? Choices: - a battery - a wedge - a lever - a rope A:
(A).
a rope

Ques:Q: Alpha and beta decay occur when a nucleus has too many protons or an unstable ratio of what? Choices: - electrons to neutrons - atoms to neutrons - nucleus to neutrons - protons to neutrons A:

Ans:protons to neutrons

Ques:Q: Thermodynamics do not give us any insight into what attribute of spontaneous processes? Choices: - acceleration - decrease - increase - rate A:

Ans:
rate