Answer:
All living organisms are classified into groups based on very basic, shared characteristics. Organisms within each group are then further divided into smaller groups. This grouping system makes it easier for scientists to study certain groups of organisms
Explanation:
Answer:
C - Ammonia
Explanation:
Ammonia is a highly toxic compound that is detrimental to one’s body. This toxic compound is often, and must be transformed into urea (uric acid) before being excreted from the body.
Each nitrogenous base has one counterpart. The purines are adenine and guanine and they pair with the pyrimidines thymine and cytosine, respectively. There are two hydrogen bonds between adenine and thymine and three hydrogen bonds between guanine and cytosine.
<span><span>Burning of fossil fuels emits sulphur dioxide.
<span><span>S (in coal) + O2SO2
</span></span></span><span>
Sulphur dioxide reaches the atmosphere, it oxidizes to first form a sulphate ion.
<span><span>
2 SO2 + O2 2 SO3</span></span></span><span>
The sulphate ion joins with hydrigen atoms in the air and becomes sulphuric acid. This then falls back down to earth as "acid rain"
<span><span>
SO3 + H2O H2SO<span>4
Hope this at least helped a little c:</span></span></span></span></span>
They reach heights of 8 to 15 feet<span> </span>
