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3 years ago

Plants use their to take in water and minerals from the soil.

Chemistry

2 answers:

Shkiper50 [21]3 years ago

7 0

Answer: true

Explanation:

podryga [215]3 years ago

3 0

Answer:true

Explanation:If you said that plants get their nutrients and water from the soil, you are right! Although all green plants make their food by photosynthesis, they also need to get nutrients from the soil. These dissolve in water and are taken up by the roots of the plant.

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The earth rotates on an imaginary line called an?

Pavel [41]

Answer: An axis.

Explanation:

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3 years ago

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A chemist adds 485 mL of a 0.0025 mol/L calcium sulfate solution to a reaction flask. Calculate the mass in grams of calcium sul

viva [34]

Answer : The mass in grams of calcium sulfate is 0.16 grams.

Explanation :

Molarity : It is defined as the number of moles of solute present in one litre of solution.

Formula used :

$Molarity=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution}}$

Solute is, $CaSO_4$

Given:

Molarity of $CaSO_4$ = 0.0025 mol/L

Molar mass of $CaSO_4$ = 136 g/mole

Volume of solution = 485 mL

Now put all the given values in the above formula, we get:

$0.0025=\frac{\text{Mass of }CaSO_4\times 1000}{136\times 485}$

$\text{Mass of }CaSO_4=0.16g$

Thus, the mass in grams of calcium sulfate is 0.16 grams.

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2 years ago

In the sixteenth century, the geocentric theory was a daim with substantial evidence. Which of the following best describes why

Ronch [10]

Answer:

The heliocentric theory was better supported by data explaining the rotation of the planets and other bodies in the solar system.

Explanation:

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2 years ago

Living things respire to stay alive. In the mitochondria, sugar is combined with oxygen to produce energy, water and carbon diox

olya-2409 [2.1K]

Answer:

C6H12O6 + 6O2 → 6CO2 + 6H2O

Explanation:

Cellular respiration occurs in the mitochondria of cells. It is a process in which sugar is combined with oxygen to produce energy, water and carbon dioxide. This is the major process by which energy is released in living organisms.

Aerobic respiration involves a series of chemical reactions. These reactions commence with sugar and oxygen then it produces carbon dioxide and water according to the reaction equation; C6H12O6 + 6O2 → 6CO2 + 6H2O.

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2 years ago

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What is the charge on a hypothetical ion with 85 protons and 83 electrons?

lys-0071 [83]

Explanation:

hope this answer was helpful

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2 years ago