Q: What method plays a role in determining the approximate age of the earth and makes use of uranium? Choices: - fuel dating - carbon dating - waste dating - radioactive dating A:
radioactive dating

(Question)
Q: Electrical potential energy can be described by the equation pe = qv, where q is the electric charge and v is what? Choices: - amplitude - wavelength density - frequency - voltage A:
(Answer)
voltage

Ques: Q: Potential energy is present in objects that are what? Choices: - crystals - rigid - unstable - elastic A:
Ans: elastic

(Q).
Q: What is the first cell of a new organism? Choices: - nucleus - egg - seed - zygote A:
(A).
zygote

Ques:Q: Upon entering the vestibular canal, the pressure waves push down on what duct? Choices: - the regrowth - the implant - the bile - the cochlear A:

Ans:the cochlear

Ques: Q: Why does warm air rise higher in the troposphere? Choices: - it is more dense than cool air - It contains hydrogen - it is less flourishing than cool air - it is less dense than cool air A:
Ans:
it is less dense than cool air