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solniwko [45]
2 years ago
9

A device that increases or decreases the voltage of alternating current is a(n)

Biology
1 answer:
s344n2d4d5 [400]2 years ago
4 0

Answer:

transformer

Explanation:

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Which of the following situations is not genetic engineering?
kirza4 [7]

Answer:

C.

Explanation:

It's chemistry, not genetic engineering

5 0
2 years ago
What are six traits of a good scientific observer?
jeka57 [31]
1. Curiosity-They love to learn                                                                                      2. Open-mindedness<span>- he accepts criticisms fairly well </span>
3. Rationality-<span> he does not believe in superstitions and think that everything has a scientific explanation </span>
4. Critical Mindedness & Correct Judgement-<span> he does not easily jump to conclusions but tries to verify his results by (if possible) repeating the experiment </span>
5. Intellectual Honesty-<span> does not alter his observations and writes the correct observations he has seen </span>
6. Objectivity-<span> he writes accurate results </span>
6 0
3 years ago
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Which polymers carry the information for cell growth and reproduction from one generation to the next? A. proteins B. starches C
andreyandreev [35.5K]
Nucleic acids carry this information because they help make DNA
4 0
3 years ago
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Why was Darwin reluctant to share his ideas?
mr_godi [17]

Answer:

Darwin was reluctant to publish his ideas because they went so strongly against the ideas of the day. Darwin thought that the society was not yet ready for his ideas, and he knew that there would be a lot of protest.

Explanation:

hope this helps

5 0
3 years ago
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After researching the possible effects of music, Elaina proposes that if people listen to faster-paced music, their pulse rates
Angelina_Jolie [31]

Answer:

Constant variables

Explanation:

Elaina's investigation lacked the critical ingredient of constant variables which are important components of every scientific investigation. In every research, there are 3 important variables, namely:

1. Dependent variables: the actual variable to be measured during the course of investigations and whose values are dependent on another variable (independent variable) supplied by the investigators.

2. Independent variable: one of the variables that are supplied by investigators whose values are often manipulated to see the kind of changes it will cause to the dependent variable.

3. Constant variables: other variables that are neither independent nor dependent but constant for all the various experimental groups in investigations.

5 0
2 years ago
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