Better farming techniques and machines increased the food supply and the distribution of food. Having read the above passage, choose the right answer to the following question (choices are increased or decreased ): When people figured out how to grow food the levels of food in the world increased or decreased?
increased

(Question)
We can say that resistance and current in an electric circuit areinversely proportional, because as the one increases, the other decreases, and vice versa. Having read the above passage, choose the right answer to the following question (choices are increase or decrease ): If Mary decreases the resistance of her electrical circuit, what will happen to the current in that circuit increase or decrease?
(Answer)
increase

Ques: The more curved the surface of a lens is, the more it refracts light. Having read the above passage, choose the right answer to the following question (choices are make it more curved or make it less curved ): If Mona is building a new mirror and she wants it to refract more light, what should she do the surface of the lens make it more curved or make it less curved?
Ans: make it more curved

(Q).
The more tightly packed the particles inside the material are, the more dense we say they are. Having read the above passage, choose the right answer to the following question (choices are increases or decreases ): If Mona is unpacking coffee into a tin and she continues to remove more coffee, what happens to the density of the coffee inside the tin increases or decreases?
(A).
decreases

Ques:Shorter wavelengths (higher frequencies) correspond to higher energies and thus hotter star temperatures. Having read the above passage, choose the right answer to the following question (choices are hotter or colder? ): Would a star that is significantly hotter than the sun, which is outputting blue light which is higher in frequency that the yellow light of the Sun, be hotter or colder??

Ans:hotter

Ques:A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude. Having read the above passage, choose the right answer to the following question (choices are increases or decreases ): If Mona is producing sound waves by listening to her radio at night and she turns up the volume, what happens to the amount of energy being produced by the radio increases or decreases?

Ans:
increases