Answer:
Anton Von Leeuwenhoek is the name
DNA and RNA are both made up of monomers called nucleotides. They also both have three nitrogenous bases: Adenine, Cytosine, Guanine.
Answer:
Option A, Ohio River and the Missouri River
Explanation:
The historical evidences clearly indicate that Ohio River did not exist before the last ice advances. Before Ohio and Missouri river, the major glacier drainage of the east-west direction happens in Teays River. When ice of the glaciers blocked the Teaya river valley, then the Ohio was formed.
Like Ohio, Missouri river did also not exist before Pleistocene and during that time the largest drainage in North America take place in the Hudson's Bay
Hence, option A is correct
D. The heat is there via convection from the sun
Answer:
xylem cell and phloem cell
