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3 years ago

Think about agriculture research which of the following statements is accurate?

Chemistry

1 answer:

irina [24]3 years ago

4 0

A.genetic modification of food helps it grow more easily in certain areas

Explanation:

The statement genetic modification of food helps it grow more easily in certain areas is a form of agricultural research that is very accurate.

Genetically modifying food is common practice in order to encourage desirable and sustainable traits in plant species.

Drought resistant breeds can tolerate a much lower level of water in some specific areas.
Disease resistant breeds are more adapted to outbreaks of plant epidemics.
Overall, genetic modification of food helps them to grow and produce better.

learn more:

Genetic recombination brainly.com/question/12685192

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Can anyone help please!!!

Vsevolod [243]

I’ve come up with C. i apologize if it’s wrong

8 0

3 years ago

The thin outer layer of Earth, called the crust, contains only 0.50 percent of Earth's total mass and yet is the source of almos

Rzqust [24]

Answer:

The mass of silicon in kilograms in Earth's crust is $7.2729\times 10^{21} kg$ .

Explanation:

Mass of Earth = $5.9\times 10^{21} tons$

(1 ton= 2000 lb)

(1 lb =453.6 g)

1 ton = 2000 × 453.6 g =907,200 g

Mass of Earth = $5.9\times 10^{21}\times 907,200 g=5.3524\times 10^{27} g$

Percentage of earth crust = 0.50%

Mass of earth crust = M

$0.50\%=\frac{M}{5.3524\times 10^{27}}\times 100$

$M=2.6762\times 10^{25} g$

Percentage of the silicon in Earth's crust = 27.2 %

Mass of silicon in in Earth's crust = m

$Si\%=\frac{m}{M}\times 100$

$27.2\%=\frac{m}{2.6762\times 10^{25} g}\times 100$

$m = 7.2792\times 10^{24} g=7.2729\times 10^{21} kg$

1000 g = 1 kg

The mass of silicon in kilograms in Earth's crust is $7.2729\times 10^{21} kg$ .

7 0

3 years ago

True or false? dry ice subliming (turning from a solid straight into a gas) is an example of a chemical change.

Over [174]

False because when a substance changes from one state of matter to another it is a physical change no matter how many states of matter it skips

5 0

3 years ago

The substances in a chemical reaction that are combined or separated to form new substances are the _______.

katen-ka-za [31]

Reactant/ Reagents and Products

6 0

3 years ago

Read 2 more answers

Need Some Quick Help, Please :)

Ray Of Light [21]

I think that it is D because the higher the molecular mass, the higher it's boiling point. I hope that helped:) Bye!

6 0

3 years ago