Atmospheric Fixation. The enormous energy of lightningbreaks nitrogen molecules and enables their atoms to combine with oxygen in the air forming huge nitrogen oxides. These dissolve in rain, forming nitrates, that are carried to the earth.
Mitosis occurs in every cell of the body except in germ cells which are produced from meiotic cell division.
Answer:
A. is increasing
Explanation:
The phrase "these days" tells us that we want something in the present. If it wanted the past, it would say "in those days" or something similar. So we can cross out d and b, because they are past tense.
It can't be c, because the subject-verb agreement is wrong (it would be increases, not increase).
We can conclude that the answer is a, <u>The population of the world these days </u><u>is increasing</u><u> very fast.</u> It's currently increasing.
All cells have at least one strand of DNA. prokaryotic cells are single celled, plants have a cell wall and vacuoles, animal cells have a centrosome. smooth or: synthesize lipids, metabolized carbohydrates, store calciumrough or: has bound ribosomes, produces proteinsGolgi apparatus: flattened membrane sacs, modifies products of the ER manufacturers macromolecule sorts. lysosomes: membrane sac of hydrolytic enzymes, hydrolyzes proteins, mitochondria: power house of the cell, makes ATP and such chloroplasts: allows photosynthesis to be a thing