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motikmotik
3 years ago
13

What is a good 12th grade science fair experiment?

Biology
2 answers:
frez [133]3 years ago
6 0

Answer: Some of my favorite:

  • Study the effect of landscaping on a building's energy consumption
  • Which pesticide is most effective against cockroaches? ants? fleas? Is it the same chemical? Which pesticide is safest for use around food? Which is friendliest to the environment?

Explanation:

Vlad1618 [11]3 years ago
5 0

Answer:

volcanoe ones r always easy

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1.If a DNA molecule has 40% Cytosine, what percent of it would be Adenine?
andrey2020 [161]

Answer:

The correct answer is -

1. Adenine - 10%

2. A-T and C-G always in DNA.

Explanation:

1. The total amount of all nitrogenous bases are equally 100% and which includes an equal amount of C and G and an equal amount of A and T in the DNA molecule.

So, Cytosine = 40%, Guanine= 40%

total = 80%

therefore, the A and thymine would be - 100 - 80 = 20

A+T = 20

A= 10, and, T = 10%

2. The complementary base pairing rule explains that DNA base pairs are Adenine always binds with thymine and cytosine bind with guanine only. Purine binds with pyrimidine always except - A-C or G- T.

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3 years ago
Short-term memory stores information by qualities. Long-term memory stores information by qualities.
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Whats the question to this problem?

8 0
4 years ago
Read 2 more answers
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Blizzard [7]

Answer:

The answer would be "plant-like protists".

Explanation:

These protists make their energy on sunlight. This would make them a protist and a plant-like cell.

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3 years ago
(Please Help ASAP) (Brainlyest) (10 Points)
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The summary of this lab is that over time pollution has gotten worse. However, if you attempt to decrease the human impact the bad side effects decrease. For example, the loss of land by erosion in the Sahara Desert is less than present day if you take future development impact. Future development impact can decrease the bad side effects.
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The factor that does not affect the rate of photosynthesis is:
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D. presence of pesticides

A. more sunlight means more photosynthesis will occur

B. high temperature means more photosynthesis will occur

C. more humidity means more photosynthesis will occur

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