B, as far as we know humans aren't from space
Answer:
Both DNA and RNA are made up of monomers called nucleotides.
Both RNA and DNA both have 3 nitrogenous bases: Adenine, Cytosine and Guanine.
They are both necessary for the cell to produce proteins.
DNA and RNA both contain pentose sugars.
DNA makes mRNA which then is translated into protein.
Explanation:
Answer:
photosynthetic organisms
Explanation:
These are autotrophs organisms that use carbon dioxide and water, and with the help of solar energy, they produce nutritive material and release oxygen.
This is known as the process of photosynthesis and it is done in the organs of the plants that contain chloroplasts.
What is it called when lava cools and hardens? Sometimes magma flows upward and is forced out onto the earth's surface during a volcanic eruption. Magma that reaches the surface of the earth is called lava. When it cools and hardens, it too forms igneous rock. Igneous rock that is formed on the earth's surface is described as extrusive.n:
