Q: Joules and calories are the units of what? Choices: - weight and energy - mass and potential - heat and velocity - energy and heat A:
energy and heat

(Question)
Q: What causes a meteoroid to vaporize after it enters the atmosphere? Choices: - gravitational pull - atmospheric pressure - spontaneous combustion - friction with atmosphere A:
(Answer)
friction with atmosphere

Ques: Q: Solutions that are prepared in which a solute concentration exceeds its solubility are called what? Choices: - solidified - instantiated - mineralized - supersaturated A:
Ans: supersaturated

(Q).
Q: What type of feeders are sponges? Choices: - bottom feeders - surface feeders - layer feeders - filter feeders A:
(A).
filter feeders

Ques:Q: What determines velocity? Choices: - direction - change in direction - mass per unit - distance over time in a given direction A:

Ans:distance over time in a given direction

Ques: Q: What is the the force of attraction that holds together ions? Choices: - covalent bond - soluble bond - magnetic bond - ionic bond A:
Ans:
ionic bond