Basically, macro molecules fall into four classes;
The lipids
The carbohydrates
The proteins
The nucleic acids
The fact that their role revolve around energy production by carbohydrates, energy storage and insulation by lipids, storage of genetic material by nucleic acids and structural support by proteins means this can be equated to the executive arm of the government that deals in provision of social amenity, protection, creation of job opportunities and sustaining a country's culture.
B. 1748
They remained frozen in time until an engineer found them
Because they Both work together to filter the water. Also without them Precipitation wouldn't occur and there wouldn't be any water cycle.
Answer:
I'm pretty sure the answer is B! Hope this helps:]
Sycamore trees (Platanus occidentalis) make handsome shade trees for large landscapes.
