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3 years ago

How is wind created?

Biology

2 answers:

seraphim [82]3 years ago

8 0

Answer:

air pressure, temperature and density. when a mass of warm air rises, a mass of cool air rushes in to take its place. This movement of air creates wind. Air always moves from an area of high pressure to an area of low pressure. Since cool air is denser than warm air, it's under higher pressure.

Explanation:

igomit [66]3 years ago

4 0

Warm air rises and cool air moves in to take over the warm rising air.

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3 years ago

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3 years ago

Read 2 more answers

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