Waves with shorter wavelengths have more energy. Having read the above passage, choose the right answer to the following question (choices are increases or decreases ): If Jimbo increases the wavelength of the soundwave he is generating, what will happen to the energy carried by that soundwave increases or decreases?
decreases

Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes. Having read the above passage, choose the right answer to the following question (choices are more water or less water. ): Hundreds of years ago there were fewer people on the Earth than there are today. Because of this, there was more water or less water.?
more water

Q: Increasing air temperature decreases atmospheric pressure. Having read the above passage, choose the right answer to the following question (choices are hot or cold ): The air gets thicker when it is hot or cold?
A: cold

Question: In the thermosphere, temperatures increase as altitude increases. Having read the above passage, choose the right answer to the following question (choices are Tom or Rita ): Tom is flying at the top of the thermosphere while Rita is flying near the bottom. Who experiences the lowest temperature Tom or Rita?
Answer: Rita

*Question*
By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher. Having read the above passage, choose the right answer to the following question (choices are increase it or decrease it ): If Mary is building a rocket and she wants it to fly as high as possible, what should she do to the mass of the rocket increase it or decrease it?
**Answer**
decrease it

*Question*
Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor. Having read the above passage, choose the right answer to the following question (choices are basketball or baseball ): If Milo is sliding a basketball and a baseball across the floor and the baseball is the heavier of the two objects, which object will experience more friction basketball or baseball?
**Answer**
baseball