What do we mean when we say GOOD personal hygiene?
Select one:
a. washing our hands
b....
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What is the first step in a life cycle of a plant reproduce sexually
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What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .
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One gene can influence trait(s). one trait can be determined by gene(s).
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When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection
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