[Q]: 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 body has lung cancer happens, how will it affect kidneys regulate blood pressure more often.  - A: more - B: less - C: no effect
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[A]: C


[Q]: Process: - One type of air pollution is the addition of carbon dioxide gas into the air - Some scientists believe that releasing too much carbon dioxide into the atmosphere is one of the causes of global warming - This upsets the balance of the carbon cycle - The ozone layer helps protect us from harmful rays from the sun - It is getting damaged from air pollution such as methane gas from livestock and CFCs from spray cans - Acid rain is created when gasses such as sulfur dioxide get high into the atmosphere - The wind can blow these gasses for miles and then they get washed out of the air when it rains - This rain is called acid rain and can damage forests and kill fish.  Question: suppose less fossil fuel burning occurs happens, how will it affect less global warming occurs.  - A: more - B: less - C: no effect
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[A]: A


[Q]: Process: - Add water to a pot - Put the pot over a source of heat - Turn the heat on - Wait for a few minutes - Begin to observe small bubbles in the water - Wait until the water starts to bubble a lot - Wait until you can see steam rising from the water - Turn the heat source off - Take the pot off of the heat source.  Question: suppose during freezing temperatures happens, how will it affect less steam rises.  - A: more - B: less - C: no effect
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[A]: C


[Q]: Process: - Water in the clouds becomes very cold - The cold water forms ice crystals - The ice crystals grow by absorbing surrounding water droplets - Form snowflakes - The snowflakes fall to the ground.  Question: suppose warm air rises from the ground under the cloud happens, how will it affect fewer ice crystals will form.  - A: more - B: less - C: no effect
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[A]:
A