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12345 [234]
3 years ago
8

Which of the following correctly describes one way that photosynthetic plants are involved in the carbon cycle? Choose 1 answer:

Choose 1 answer: (Choice A) A Photosynthetic plants can move carbon from the atmosphere into an ecosystem’s food web. (Choice B) B Photosynthetic plants break down the remains of organisms and release carbon dioxide into the atmosphere. (Choice C) C Photosynthetic plants move carbon-based molecules between consumers in an ecosystem
Chemistry
1 answer:
brilliants [131]3 years ago
7 0

Answer:

The correct answer is - (Choice A) A Photosynthetic plants can move carbon from the atmosphere into an ecosystem’s food web.

Explanation:

Photosynthesis is the process performed by photosynthetic or green plants in presence of light atmospheric carbon dioxide and water converted into glucose (6 carbon compound) and oxygen.

This glucose or sugar is utilized by the plants that are producers in the ecosystem food web. These producers are fed by consumers and carbon molecules transfer from all the trophic levels in the food chain or food web in the process.

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Why is this temperature scale (Celsius) different and/or better than the other temperature scales?
Vesna [10]

Answer:

They are used because of preference or convenience, not necessity. These scales came about historically when there were no standards to calibrate a thermometer against. The Fahrenheit scale used the temperature of the coldest thing then known for its zero, which was salty ice.13-Oct-2019

8 0
2 years ago
Referring to the scale is a way to estimate the wind speed.
Sonja [21]

<em><u>Answer:</u></em>

The Beaufort scale measures wind speed.

<em><u>Explanation:</u></em>

One way to measure wind speed is by observing its effects on objects. In 1805, a British naval officer named Sir Francis Beaufort developed a wind speed scale that refers to the movement of objects. The Beaufort Scale is a good way to introduce your students to the concept of wind speed.

8 0
3 years ago
Read 2 more answers
What is the pH of a 5.09 x 10-5 M solution of NaOH?
Varvara68 [4.7K]

<u>Answer:</u> The pH of the solution is 9.71

<u>Explanation:</u>

1 mole of NaOH produces 1 mole of sodium ions and 1 mole of hydroxide ions.

We are given:

pOH of the solution = 7.2

To calculate the pH of the solution, we need to determine pOH of the solution. To calculate pOh of the solution, we use the equation:

pOH=-\log[OH^-]

We are given:

[OH^-]=5.09\times 10^{-5}M

Putting values in above equation, we get:

pOH=-\log(5.09\times 10^{-5})\\\\pOH=4.29

To calculate pH of the solution, we use the equation:

pH+pOH=14\\pH=14-4.29=9.71

Hence, the pH of the solution is 9.71

7 0
3 years ago
1
fredd [130]
Answer: Combustion changes the potential chemical energy into kinetic energy in the form of heat. For combustion an organic wood combines with oxygen already in the air and undergoes a chemical reaction that gives off carbon dioxide,water,and energy in the form of heat and light.
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3 years ago
Hormones are chemicals secreted by the
Julli [10]
HORMONES ARE CHEMICAL SUBSTANCES SECRETED BY GLANDS
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3 years ago
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