Q: The number of neutrons and electrons may vary or change in an atom. what happens to the number of protons? Choices: - decreases - increases - depends - remains the same A:
remains the same

(Question)
Q: In which organ are bile acids made Choices: - spleen - kidney - gall bladder - liver A:
(Answer)
liver

Ques: Q: What do scientists use to study the deep without going to the seafloor? Choices: - drill rigs - telescopes - ultrasound machines - remotely operated vehicles A:
Ans: remotely operated vehicles

(Q).
Q: When both momentum and kinetic energy are conserved in a closed system, the collision is called what? Choices: - a static collision - a spontaneous collision - an accidental collision - an elastic collision A:
(A).
an elastic collision

Ques:Q: An experiment generates what to support a hypothesis? Choices: - falsehoods - reason - study - evidence A:

Ans:evidence

Ques:Q: What do we call coiled structures made of dna and proteins? Choices: - nodes - Organisms - Molecules - chromosomes A:

Ans:
chromosomes