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HELP PLEASE 40 PONITS! EASY QUESTION! If you hold down a vein would your heartbeat gets faster or slower?
Answers: 2
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Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.
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Biology, 23.06.2019 00:00
Brainlest awardhow does smoking and arterial plaques increase the risk of hypertension? (2 points) select one: a. both increase blood volume. b. both decrease blood volume.c. both expand the diameter of the blood vessels. d. both constrict the diameter of the blood vessels.
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Biology, 23.06.2019 04:31
Golden rice is an example of what? a.dna replication b.pest control c.genetic engineering d.mitosis
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Biology, 23.06.2019 05:30
Which correctly identifies the location of the asteroid belt? question 1 options: a b c d
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HELP PLEASE 40 PONITS! EASY QUESTION!
If you hold down a vein would your heartbeat gets faster or...
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