Older rocks are at the bottom and younger rocks are at the top. Having read the above passage, choose the right answer to the following question (choices are younger or older ): Ian is digging in his garden, and admires the shiny pebbles sitting in the yard, as he digs a hole and finds more rocks, he knows that they are younger or older?
older

(Question)
Increased resource use generally means more waste; electronic waste from developed nations is a growing problem in the developing world. Having read the above passage, choose the right answer to the following question (choices are increase or decrease ): If Milo makes an effort to use more resources in his day to day life, what will happen to the amount of waste he produces increase or decrease?
(Answer)
increase

Ques: Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies. Having read the above passage, choose the right answer to the following question (choices are higher or or lower frequencies. ): For radio transmissions, longer wavelength waves have higher or or lower frequencies.?
Ans: lower frequencies.

(Q).
Rougher surfaces have more friction between them than smoother surfaces. Having read the above passage, choose the right answer to the following question (choices are less or more ): Eric rubs together tissue paper and then sandpaper. The rougher tissue paper has less or more friction than the sandpaper?
(A).
more

Ques:The more an elastic object is stretched or compressed, the greater its elastic potential energy is. Having read the above passage, choose the right answer to the following question (choices are more or less ): John stretches a rubber band, making it larger and larger. The more he stretches the rubber band will it have more or less elastic potential energy?

Ans:more

Ques:Waves with shorter wavelengths have more energy. Having read the above passage, choose the right answer to the following question (choices are less or more ): Mo has a wave with a short wavelength. He notices the wavelength growing over time. The wave now has less or more energy?

Ans:
less