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2 years ago

The diagram illustrates photosynthesis. Which best describes what is happening in the area marked X?

Chemistry

2 answers:

IRINA_888 [86]2 years ago

7 0

The picture is the answer. Hope I helped.

Crazy boy [7]2 years ago

5 0

<u>Answer:</u> The correct answer is water is carried to the leaves by xylem.

<u>Explanation:</u>

Xylem and Phloem together form a vascular tissue of plants.

Xylem transfers water and minerals from roots to every part of the plant with the help of stem. It is uni-directional.

Phloem transfers food from leaves to every part of the plant whenever in need. Phloem uses energy in the form of ATP in both the directions. It is multi-directional.

Hence, the correct answer is water is carried to the leaves by xylem.

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The number of moles in 2.93 g of Li2O in corrext sig figs

jekas [21]

Answer:

0.1 mol

Explanation:

Number of mole= mass/molar mass

lithium have a mass number of 7 and oxygen have a mass number of 16.

so, (7x2) + 16

= 30

therefore, number of moles = 2.93/30

= 0.10

4 0

2 years ago

Read 2 more answers

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

2 years ago

Which subatomic particle do you think is most important to an atom’s identity?

Sonja [21]

The subatomic particle that identifies the atom is the number of protons. This is what distinguishes an element that is is flammmable, hydrogen to one that is essential component in water, oxygen.

5 0

2 years ago

Read the statements. In eukaryotic organisms, genes usually consist of two alleles. The two alleles are often on different parts

lina2011 [118]

Answer:

I think its B but im not too sure

5 0

1 year ago

PLEASE ANSWER + BRAINLIEST !!!

MA_775_DIABLO [31]

Hope this would help you

5 0

2 years ago