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aksik [14]
3 years ago
10

Please select the word from the list that best fits the definition

Biology
2 answers:
posledela3 years ago
6 0

Answer:

oxygen

Explanation:

The oxygen makes up 21% of the atmosphere. hope it helps.

Sergeeva-Olga [200]3 years ago
6 0

Answer:

Oxygen

Explanation:

Oxygen makes up 21% of earths atmosphere while nitrogen fills up 78%.

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Answer:

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3 years ago
___________changes sperm from round cells to cells that can swim<br><br> fill in the blank
Tasya [4]

Answer:

hormones

Explanation:

6 0
3 years ago
During the Industrial Revolution, explain what caused the population of light-colored peppered moths to decrease and the populat
Mekhanik [1.2K]

Answer:

The light colored pepper moths were able to camouflage in the Birchwood trees unlike the darker ones. But when the industrial revolution came the amount of smoke from the factories made the Birchwood trees become darker in color do now the darker pepper moths were the ones who could camouflage while the white ones were easily eaten and killed. Since the darker colored moths were able to survive they had offspring who were also darker colored. Over time since mainly darker moths were produced it was common for pepper moths to be darker.

7 0
2 years ago
Read 2 more answers
What is not a step in most scientific investigations
Mariulka [41]

Question options:

1. developing a hypothesis to explain collected data

2. proving a theory and writing a new scientific law  

3. collecting data through observation and measurement

4. observing and experimenting to test a hypothesis

Answer:

2. proving a theory and writing a new scientific law  

Explanation:

Providing a theory and write a new scientific law is not a step of scientific investigation. To prove a law a theory, its take many years of research.

There are steps of scientific investigations below,

1. Make an Observation.

2. Form a Question.

3. Form a Hypothesis.

4. Conduct an Experiment.

5. Analyze the Data and

6. Draw a Conclusion.

These step of scientific investigation does not include to write a theory and scientific law.

4 0
3 years ago
____________ is (are) found on the posterior surface of the tongue
Alina [70]
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