Q: Magnetic force is always perpendicular to what? Choices: - speed - sunlight - length - velocity A:
velocity

(Question)
Q: Name the most famous satellite of the earth? Choices: - demos - skylab - sputnik - the moon A:
(Answer)
the moon

Ques: Q: Most of the trash in the ocean is made of what material? Choices: - styrofoam - hydrocarbons - wood - plastic A:
Ans: plastic

(Q).
Q: What is a rock exposed to if it's undergoing metamorphism? Choices: - humidity and pressure - gravity and precipitation - time and energy - heat and pressure A:
(A).
heat and pressure

Ques:Q: Nonflowering vascular plants have three basic types of leaves: microphylls, fronds, and what other type? Choices: - molds - tubes - stems - needles A:

Ans:needles

Ques:Q: What is the term for proportion of amount of product actually produced in a chemical reaction versus predicted amount ? Choices: - calculus yield - decrease yield - percent impact - percent yield A:

Ans:
percent yield