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. Having read the above passage, choose the right answer to the following question (choices are more or less ): Don notices that the patient's heart is expelling more blood with each stroke. The patient's heart has to beat more or less often to maintain consistent blood flow?
less

(Question)
Air pressure is less at higher elevations. Having read the above passage, choose the right answer to the following question (choices are mountains or valleys. ): Air pressure is lower in the mountains or valleys.?
(Answer)
mountains

Ques: Warmer molecules vibrate faster than cooler ones. Having read the above passage, choose the right answer to the following question (choices are faster or slower ): Eric increased the heat of the molecules. They now vibrate faster or slower?
Ans: faster

(Q).
The full box is harder to move because it has greater mass and therefore greater inertia. Having read the above passage, choose the right answer to the following question (choices are harder or easier ): Rita added more food to the box. It is now harder or easier to move?
(A).
harder

Ques:A: As the car approaches the radar gun, the reflected microwaves get bunched up in front of the car. Therefore, the waves the receiver detects have a higher frequency than they would if they were being reflected from a stationary object. The faster the car is moving, the greater the increase in the frequency of the waves. Having read the above passage, choose the right answer to the following question (choices are less or more ): When waves in the ocean go fast there will be less or more?

Ans:more

The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering. Having read the above passage, choose the right answer to the following question (choices are Bob or Ann ): Ann and Bob were both farmers. Ann lived in a colder climate while Bob lived in a warmer climate. When they compared notes they found that the number of crops they could successfully grow was different. Who's farm would be able to grow more types of crops Bob or Ann?
Bob