Answer:
the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50 to 600 miles above the earth's surface.
Explanation:
Answer:
Archaebacteria, Eubacteria, Fungi, Protista, Plants, Animals
Explanation:
During prophase, the parent cell chromosomes — which were duplicated during S phase — condense and become thousands of times more compact than they were during interphase. ... Cohesin forms rings that hold the sister chromatids together, whereas condensin forms rings that coil the chromosomes into highly compact forms.
Answer:
carbon, hydrogen and oxygenation
Answer:
Population
Explanation:
population is a group of organisms of the same species who inhabit the same particular geographical area
