Answer: magnesium atom
Explanation:
magnesium atom
The chlorophyll molecule consists of a central magnesium atom surrounded by a nitrogen-containing structure called a porphyrin ring; attached to the ring is a long carbon–hydrogen side chain, known as a phytol chain.
Both will contain the sugar ribose and the base uracil
C
The definition of geologists is someone who studies the EARTH and its structure, how it's made etc.
The moon is not part of the earth so it is c.
The order of levels of organization from smallest to largest is Specialized Cells, Cardiac Muscle, Heart.
