Q: Which waves have the longest wavelengths but the least energy in the atmosphere? Choices: - microwaves - channel waves - light waves - radio waves A:
radio waves

(Question)
Q: What is the term for the amount of space taken up by an object? Choices: - mass - weight - size - volume A:
(Answer)
volume

Ques: Q: What is the liquid inside the central vacuole called? Choices: - cytoplasm - osmotic fluid - chloroplasm - cell sap A:
Ans: cell sap

(Q).
Q: The direction of the force of gravity is in what direction? Choices: - staggered line - curved line - fragmented line - straight line A:
(A).
straight line

Ques:Q: What do you call a system that has one or more planets orbiting one or more stars? Choices: - galaxy - atom - molecular system - solar system A:

Ans:solar system

Question: Q: Electromagnetic waves are generally caused by magnetic fields doing what (or moving in what way)? Choices: - revolving - rippling - folding - vibrating A:
Answer:
vibrating