Nitrogen.
Plants cannot use atmospheric nitrogen directly. Nitrogen from the air must be converted into the different form so plants can absorb it. Thus plants need nitrogen-fixing bacteria to convert atmospheric nitrogen into ammonium, which is available for plants to absorb it.
On this day in 1996, Dolly the sheep—the first mammal to have been successfully cloned from an adult cell—is born at the Roslin Institute in Scotland. Originally code-named “6LL3,” the cloned lamb was named after singer and actress Dolly Parton.
The answer is c. Can be used and consumed without risk
Consuming non potable water could generate a great risk toward our health because of the baacteria or any other small organism that might live in the water.
currentyly , about 89% people in the world have access to potable water. While the rest ( usually the one who live in non developed country) do not have access to it.
