Q: The smallest units of matter that retain the unique properties of an element are known as what? Choices: - protons - molecules - neutrons - atoms A:
atoms

(Question)
Q: What is the the basic si unit for mass? Choices: - pound - volume - density - kilogram (kg) A:
(Answer)
kilogram (kg)

Ques: Q: Vertebrates are all chordates that have a what? Choices: - circulatory system - fossil - brain - backbone A:
Ans: backbone

(Q).
Q: What word describes a molecule that repels polar water? Choices: - monophobic - hydrophonic - soluble - hydrophobic A:
(A).
hydrophobic

Ques:Q: In most animals, what sense is related to balance or equilibrium? Choices: - vision - tasting - feeling - hearing A:

Ans:hearing

Q: Body waves and surface waves are the two major types of what, which occur during earthquakes? Choices: - tidal waves - current waves - sound waves - seismic waves A:
seismic waves