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german
4 years ago
10

Help ... ... ...... .......... .................... ........................

Biology
1 answer:
polet [3.4K]4 years ago
4 0

Answer:

D.

Explanation:

She's trying to find the affect different shapes have on the distance the plane flies, not the affect different types of paper have on distance. If she were to use different paper for each plane she'd be testing two variables instead of one.

hope this helps :)

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What general type of mutation has the greatest effect on the protein produce
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3 years ago
Which of these has a nucleus coma and tail
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3 years ago
Read the scenario below.
Luda [366]

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Explanation:

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4 0
3 years ago
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olga_2 [115]

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Explanation:

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3 years ago
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Troyanec [42]

Answer:

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I hope this helps! <3

(googles words, not mine)

3 0
3 years ago
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