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Charra [1.4K]
3 years ago
7

In a controlled experiment in scientific study how long it takes parachute of different sizes to fall to the ground what is the

independent variable?
Biology
1 answer:
Grace [21]3 years ago
6 0
The independent variable is a variable that can be stood alone. So therefore, the independent variable would be how long it takes to parachute.
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Name two cell structures plant cells have that animals do not have and one structure that looks very different in a plant and an
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Plant cells have a cell wall and chloroplasts and the cell wall gives the cell a rectangular shape unlike animal cells which have a round shape because we only have a cell membrane.

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What will happen to the concentrations of ATP,NADPH, and sugar when you add paraquat
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Decrease

Explanation:

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Fresh raspberry contains 80% water. dried raspberry contains only 20% water. what weight of dried raspberry can you get from 36
adell [148]

There 2 ways to solve this

1-      Directly :

80% of water in the fresh berries è 20% of water in the dried berries

36 Ibs of the fresh berries è X Ibs of the dried berries

X = \frac{36 * 20}{80}<span> = 9 Ibs</span>

 

<span>2-      </span>If you do not understand the first method, the second one is more explicit:

First, we gonna calculate the weight of the berries without water (dehydrated):

<span>36 * 80% = 28.8 Ibs    (of water in the berries)</span>

Then:

<span>36 – 28.8 = 7.2 Ibs (of completely dehydrated berries)</span>

 

Next, we gonna add 20% of water in the dehydrated berries:

X (total weight of dried berries) è 100%

7.2 Ibs of dehydrated berries è 80%

X = <span>  </span>\frac{7.2 * 100}{80}   = 9 Ibs

4 0
3 years ago
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