Please answer this: Bill and Bob were two brothers. they were both into physical exercise, but Bill chose weight lifting, and Bob running. Which brother used his cardiac muscle in a more efficient way?
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Answer: Bob
Problem: John was studying the characteristics of tropical forests. For that, he chose forests in Laos. To compare the forests in Laos with the temperate zone forests he chose forests in Ireland. He could clearly see that how they differed in important ways. Which forests would produce less biomass, Laos or Ireland?

A: Ireland
Problem: Given the question: John designed a hypothetical lever that would have ideal mechanical advantage. He labeled the lever as lever A. He then wanted to compare this lever with a real world lever, which he labeled as lever B. He intended to use these levers to increase force. Would lever B have more friction or less friction than lever A?
++++++++++++++++++++++++++++++++
The answer is:
more friction
input question: David was studying human history. He selected two specific eras of human history, era A and era B. Era A was before humans had invented agriculture. And, era B was after the invention of agriculture. He noticed that human societies had changed dramatically after the invention of agriculture. Which era saw higher death rate, era A or era B????
output answer: era B
Alexander is heating up water in his kitchen because he is preparing to make pasta. He has split the water into two containers, container A and container B. Container A has been heating up for a long amount time, while container B has only been heating up for a short amount of time. Which container has particles with higher average kinetic energy?
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Answer: container A
Q: James is memorizing the periodic table and some of the features of the elements on it. He is currently working on the fourth row which starts with Potassium (K) on the far left and ends with Krypton (Kr) to the far right. Will the number of electrons in an element increase or decrease when going left to right in a row of the periodic table?
A:
increase