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4 years ago

Which process directly moves nutrients from plants to the air

Biology

2 answers:

lesantik [10]4 years ago

6 0

The right answer is C. breathing.

Breathing is a physiological process that supplies the body with oxygen and releases it from carbon dioxide.

The pulmonary alveoli are located in the lungs and allow respiratory gas exchange between the internal medium (the blood) and the external environment (the air or the atmosphere).

Read more on Brainly.com - brainly.com/question/7101527#readmore

N76 [4]4 years ago

6 0

Answer: Cellular respiration.

Explanation: The process by which the nutrients are transferred from the plants in the air is known as cellular respiration.

It helps in removal of the carbon dioxide from the plants and is released into the environment.

The carbon dioxide is released which contributes in the formation of the fossil fuels.

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3 years ago

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3 years ago

When a living organism dies, it stops taking in new carbon. Thus, as the radioactive carbon-14 decays, the ratio of carbon-12 to

Alexxandr [17]

Answer: The fossil is 11459 years old.

Explanation:

Half-life of carbon-14 = 5700 years

First we have to calculate the rate constant, we use the formula :

$k=\frac{0.693}{5700\text{years}}$

$k=1.21\times 10^{-4}\text{years}^{-1}$

Now we have to calculate the age of the sample:

Expression for rate law for first order kinetics is given by:

$t=\frac{2.303}{k}\log\frac{a}{a-x}$

where,

k = rate constant = $1.21\times 10^{-4}\text{years}^{-1}
t = age of sample = ?
a = let initial amount of the reactant = 100 g
x = amount decayed = 75 g
a - x = amount left after decay process = 100 - 75 = 25 g Now put all the given values in above equation, we get
[tex]t==\frac{2.303}{1.21\times 10^{-4}}\log\frac{100}{25}$

$t=11459years$

The fossil is 11459 years old.

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3 years ago