False. .08% Blood Alcohol Concentration (BAC) is the legal
limit for intoxication in some states. However, .10% BAC is the legal limit for
most states. Additionally, a BAC of .04%, instead of .03%, marks the beginning
of impairment, and can often result to DUI convictions.
The main purpose for photosynthesis would be to use sunlight energy to make glucose and oxygen. as for cellular respiration, the main purpose is to create carbon dioxide and water, but the most important is that it creates ATP, which can be used for energy.
A reasearcher must only measure one variable at atime,and using a scientific control group gives reliable baseline data to compare their results with.
The answer is C,carbohydrates