Problem: Given the question: Process: - Kidneys filter waste out of blood - Composition of blood is regulated - Volume of water in blood is kept constant - PH is kept at a constant level - Kidneys help regulate blood pressure - Kidneys stimulate the making of red blood cells - Calcium levels are maintained. Question: suppose the composition of blood is regulated more often happens, how will it affect kidneys regulate blood pressure less often. - A: more - B: less - C: no effect
++++++++++++++++++++++++++++++++
The answer is:
A

Problem: Given the question: Process: - Take out an ice cube tray - Fill the tray with water from the faucet - Put the ice cube tray in the freezer - Wait for several hours - The water will freeze and become ice - Remove the ice cube tray from the freezer - Remove the ice cubes from the tray. Question: suppose there is more water in the tray happens, how will it affect the tray will be less filled. - A: more - B: less - C: no effect
++++++++++++++++++++++++++++++++
The answer is:
B

Problem: Given the question: Process: - There is a rain cloud in the sky - Small bits of ice within the cloud bump each other - The collisions create electrical charge - Lighter, positively charged particles sink to the bottom of the cloud - Heavier, negatively charges particles rise to the top - When the positive and negative charges grow large enough, a giant spark, called lightning occurs - Question: suppose you drink more alcohol happens, how will it affect more ice bumping into each other. - A: more - B: less - C: no effect
++++++++++++++++++++++++++++++++
The answer is:
C