The type of exercise that creates new blood vessels and makes the heart pump more efficiently is ________
Fill in the blank(s) with correct word
aerobic
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Marine microbes inhabit sediments on the ocean floor at a depth of up to at least ________.
A. one foot B. 100 feet C. 0.6 kilometers D. ten feet
A balloon inflated with helium is able to float toward the ceiling because
What will be an ideal response?
Which of the following statements regarding vitamins is true?
A) They are simple inorganic compounds. B) They must be ingested in large quantities. C) They can serve as coenzymes or parts of coenzymes. D) They are major sources of dietary calories.
As a dermatologist trying to help reduce the incidence of skin cancer, which environmental agents known to be associated with skin cancer would you recommend your patients avoid?
A. cadmium B. benzene C. nickel D. arsenic E. polycyclic aromatic hydrocarbons F. endocrine disruptors