In a study of how vitamin e may reduce the risk of cardiovascular disease, one group was given a placebo, and the other group was given vitamin e supplements. the group that received the placebo was the group.
a. control
b. experimental
c. double-blind
d. hypothetical
Answers: 1
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Which of the following is true about vigorous intensity movements. playing single tennis or riding a bike on a hilly surface playing soccer riding bike on a flat surface playing double tennis or playing basketball all of the above
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Desiree has a scientific question that she wants to investigate. she has developed a hypothesis and method for her experiment. which step of scientific inquiry should desiree take next? desiree should present her findings to her teacher and classmates. desiree should collect data, which may support or refute her hypothesis. desiree should provide an explanation for her results.
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Birth control methods can be behavioral, barrier, or hormonal. which is a behavioral method of birth control? a. abstinence b. birth control pill c. condoms d. emergency contraceptio
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(intro to ag on odyssey ware) which of the following describes the third step to recycling ammonia for use as a fertilizer? gather wastewater from livestock apply recycled ammonia to plants extract the ammonia from wastewater mix ammonia to create ammonium nitrate (legit answer only hurry on test now)
Answers: 1
In a study of how vitamin e may reduce the risk of cardiovascular disease, one group was given a pla...
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