Q: In which state of matter do particles take the shape of their container, but cannot expand to fill it? Choices: - gas - mixture - chemical - liquid A:
liquid

(Question)
Q: What are the three most common elements in the air we breathe? Choices: - oxygen, nitrogen, H20 - nitrogen, argon, hydrogen - argon, oxygen, hydrogen - nitrogen, oxygen and argon A:
(Answer)
nitrogen, oxygen and argon

Ques: Q: What are the most common types of compounds found on earth? Choices: - sodium - based compounds - ionic compounds - hydrogen-based compounds - carbon-based compounds A:
Ans: carbon-based compounds

(Q).
Q: Lava that enters the water is called what? Choices: - lava flow - magma runoff - saltwater lava - pillow lava A:
(A).
pillow lava

Ques:Q: An excellent solvent that holds heat well and allows hydrogen bonds, what substance has many properties critical to life? Choices: - liquid - blood - plasma - water A:

Ans:water

Ques: Q: What two lenses comprise a compound microscope? Choices: - polarized and focal - scope and focus - concave and convex - objective and eyepiece A:
Ans:
objective and eyepiece