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Pepsi [2]
3 years ago
11

What are control variables?

Biology
1 answer:
Tomtit [17]3 years ago
3 0

Answer:

scientific experimentation is an experimental element which is constant and unchanged throughout the course of the investigation

Explanation:

throughout the course of the investigation.

The control variables themselves are not of primary interest to the experimenter.

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Is the sun non living or living
Firlakuza [10]

The sun is not a living thing. It is made up of gases, such as hydrogen and helium, rather than living cells, which are present in all forms of life

5 0
3 years ago
Name three things NGOs are doing to help preserve tropical rain forests
HACTEHA [7]

Answer:

How to Save the Rainforest

Teach others about the importance of theenvironment and how they can help save rainforests.

Restore damaged ecosystems by planting trees on land where forests have been cut down.

Encourage people to live in a way that doesn't hurt the environment.

Establish parks to protect rainforests and wildlife.

8 0
4 years ago
The substance dichlorophenyldimethylurea (DCMUDCMU) is an herbicide that inhibits photosynthesis by blocking electron transfer b
mario62 [17]

Answer:

No

Explanation:

During cyclic photophosphorylation, electrons are cycled continuously out of and back into the reaction center of PSI. It does not involve PSII and plastoquinone. During non cyclic photophosphorylation, the reaction center of plant photosystem II passes electrons to plastoquinone. The reduced plastoquinone carries electrons to the cytochrome b6f complex. Since PSII and plastoquinones are not included in cyclic photophosphorylation, dichlorophenyldimethylurea would not affect the process.  

5 0
3 years ago
Rebekah is studying a molecule and trying to determine if it is DNA or RNA. Which kind of molecule is she studying? I NEED HELP
Alex

Answer: Rebekah is studying [C-nucleic acids].

Explanation: This is  since both DNA (DeoxyriboNucleic Acid) and RNA (RiboNucleic Acid) contain nucleic acids, as their names show.

6 0
3 years ago
The Earth's surface can change either quickly or slowly. Which of these can happen when rocks and soil in the Earth move suddenl
alexandr402 [8]

Answer:

landslides

Explanation:

4 0
2 years ago
Read 2 more answers
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