Which of the following is a correct definition of exercise?
a. planned, structured, an...
Health, 26.11.2019 18:31 jacycooley
Which of the following is a correct definition of exercise?
a. planned, structured, and repetitive movement
b. body movement produced by skeletal muscles
c. the body's ability to respond to the demands of physical effort
d. physical activities that increase the heart rate
Answers: 2
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Name three bad things that can happen to a teenager who has no refusal skills and no self-control:
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Which of the following is an argument against buying local fruits and vegetables?
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During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4
Answers: 1
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Why do rna viruses appear to have higher rates of mutation? a) rna nucleotides are more unstable than dna nucleotides.b) replication of their genomes does not involve proofreading.c) rna viruses can incorporate a variety of nonstandard bases.d) rna viruses are more sensitive to mutagens.
Answers: 3
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