Answer:
in controlled experiment an independent variable is systematically manupulated and dependent variable is measured ; any extraneous variables are controlled
Answer:
a stimulus that causes stress
Explanation:
The ( b. corpus callosum ) contains approximately 200 million axons.
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Cephalosporins (are bactericidal and have the same mode of action as other β-lactam antibiotics (such as penicillins) but are less susceptible to β-lactamases.) Cephalosporins disrupt the synthesis of the peptidoglycan layer forming the bacterial cell wall
The answer to your question should be the last option intrinsic factors
