How does farming affect water, land, and air?

Biology

1 answer:

eimsori [14]3 years ago

4 0

Excessive irrigation can affect water quality by causing erosion, transporting nutrients, pesticides, and heavy metals, or decreasing the amount of water that flows naturally in streams and rivers.
Soil erosion due to land clearance and grazing. contaminated soils due to pesticides or overuse of fertilizers.
Air emissions from livestock operations make up 14.5 percent of global greenhouse gas. Livestock farming emits several greenhouse gases that contribute to climate change, and may also be subject to the effects of climate change due to increased animal stress in dealing with rising temperatures.

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The type of relationship that occurs between the clover plants and the bacterias is called mutualism.

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