Read the passage below and choose the right answer to the following question (choices are United States or China ): Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do. Chris is studying two countries. He finds that China has twice as many factories putting out fossil fuels into the air than the United States. Based on this information, the factories in United States or China are causing more air pollution?
China

(Question)
Read the passage below and choose the right answer to the following question (choices are increases or decreases ): When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow. If Milo gets excited and his heart starts pumping more blood with each stroke, what happens to his heart rate increases or decreases?
(Answer)
decreases

Ques: Read the passage below and choose the right answer to the following question (choices are the 60hz wave or the 10hz wave ): A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude. Will sees a wave with a frequency of 60hz and a wave with a frequency of 10hz. Which wave has more energy the 60hz wave or the 10hz wave?
Ans: the 60hz wave

(Q).
Read the passage below and choose the right answer to the following question (choices are Increased or Decreased ): Increasing the number of resistors in a series circuit increases the overall resistance of the circuit. Mike was wiring up a new circuit to test it out. He observed that the more resistors he added to the circuit. the overall resistance level Increased or Decreased?
(A).
Increased

Ques:Read the passage below and choose the right answer to the following question (choices are basketball or baseball ): An object with greater mass or greater velocity has more kinetic energy. Milo threw both a basketball and a baseball through the air. If the basketball has less mass then the baseball, which ball has more kinetic energy basketball or baseball?

Ans:baseball

Read the passage below and choose the right answer to the following question (choices are increasing or decreasing ): Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes. As more people are removed from Earth, they will find increasing or decreasing water scarcity?
decreasing