Q: All chemical changes involve a transfer of what? Choices: - hydrogen - pressure - nitrogen - energy A:
energy

Q: The cubic crystal system is composed of how many different types of unit cells? Choices: - one - four - five - three A:
three

Q: Q: How many forces do objects on earth have acting on them at all times? Choices: - ten - three - four - two A:
A: two

Question: Q: Which organ in the human body filters blood and excretes urine? Choices: - the liver - the bladder - the thyroid - the kidney A:
Answer: the kidney

*Question*
Q: If everything else stays the same in a system with a gas in it, and the gas gets warmer, what will happen to its pressure, generally? Choices: - it drops - it stays the same - it's eliminated - it increases A:
**Answer**
it increases

(Question)
Q: What term is defined as the preserved remains or traces of organisms that lived during earlier ages? Choices: - bones - waste - deposits - fossils A:
(Answer)
fossils