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PIT_PIT [208]
3 years ago
12

Bena thinks that dissolving more salt in water causes the mixture’s freezing temperature to change.

Biology
2 answers:
schepotkina [342]3 years ago
6 0

The right option is; an experimental investigation, because it allows for the control of variables.

The best type of scientific investigation for Bena to use to study this is an experimental investigation, because it allows for the control of variables.

Experimental investigation is a type of scientific investigation in which variables are controlled, modified, and measured in order to obtain facts to buttress or oppose a causal relationship. Experimental investigation includes all the parts of an experiment such as observations, scientific question, hypothesis, procedure, variables (independent and dependent) etc.

seropon [69]3 years ago
3 0
Comparative with a wide range of variables
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Over-the-counter drugs commonly abused by teens and young adults include
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Answer:

B

Explanation:

Any drug sold in the supermarkets, convenient stores etc  without prescriptions are called OTC-medication or over the counter drugs.

They are the group of drugs commonly abused  by young adults. Recommendation by  National Institute  on Drug Abuse is that , any  use of drug not related to medical purpose, but for mind-altering effects or arousal is regarded as an abuse. No doubt  these drugs are obtained over the counter because they are very easy to get, very cheap and legalized  by law to buy, thus easily accessible.

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7 0
3 years ago
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3 years ago
4. Which of the following conclusions about science is best supported by the text?
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Answer:

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im sure i was right i already answer this question

7 0
2 years ago
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jekas [21]

Answer:

The energy that was not passed on the next tropic level is lost as heat

Explanation:

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