3 years ago

I need help on the first and second one please help

1 answer:

4 0

The hypothesis would be that more green bugs would be found than bright red bugs because the green bugs are more camouflaged asunder the green plants than the bright red bugs.

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The more mass you have of a substance:

otez555 [7]

A beachside all objects have thermal energy but thermal energy is the sum of the energy of all the particles so the more particles the more energy.

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3 years ago

How much time would it take to distribute one avagadro's number of wheat grains if 10^10 grains are A)1.9*10^2 years B)1.9*10^10

Makovka662 [10]

Answer:

It takes 1.9 $\times 10^{6}$ years to distribute all the grains.

Explanation:

In one second, $10^{10}$ grains of wheat are distributed.

We are supposed to find the time it would take to Distribute Avogadro number of grains.

1 avogadro number = 6.022 $\times 10^{23}$

Number of grains distributed in 1 day = 86400 $\times 10^{10}$

= 8.64 $\times 10^{14}$

Number of grains distributed in 1 year= 8.64 $\times 10^{14} \times 365$

= 3.1536 $\times 10^{17}$

Time taken = $\frac{Number of grains to be distributed}{grains distributed in 1 year}$

= $\frac {6.022 \times 10^{23}}{3.1536\times 10^{17}}$

= 1.9 $\times 10^{6}$

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3 years ago

When different elements react, their atoms join with other atoms.

FinnZ [79.3K]

Answer:

compound is formed .............

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Approximately what percentage of a human's DNA is used for coding Information for the synthesis of proteins?

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I’m pretty sure it is 25 % :))

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pesticides and fertilizers can help farmers to produce more crops. However, overuse of these chemicals can result in?

nadezda [96]

Overuse of the same chemicals can result in the pest becoming immune to the pesticides.

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