Adults are approximately _____ water by weight
a. 20-30%
b. 40-50%
c. 50-60%
d. 60-70%
e. 70-80%
d
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Physical activity helps to reduce a person's risk for certain chronic diseases such as high blood pressure, stroke, cardiovascular disease, type 2 diabetes, _____, and some forms of cancer
a. asthma b. arthritis c. emphysema d. osteoporosis
_____ is defined as the passive movement of water molecules across a cell membrane from a solution with low solute concentration to a solution with a higher solute concentration
A) Homeostasis B) Metabolism C) Osmosis D) Emulsification
The use of selective breeding in human agriculture: a. is a very recent scientific concept
b. involves crossing boundaries between species. c. can involve analysis of DNA from successful seedlings. d. is successful only in plants. e. involves selecting the least successful farm animals and plants for breeding with more successful ones.
Adolescents who frequently eat meals with their families eat more fruits, vegetables, grains, and calcium-rich foods and drink fewer soft drinks than those who seldom eat with their families
a. True b. False Indicate whether the statement is true or false