The various planets are thought to have formed from the solar nebula, the disc-shaped cloud of gas and dust left over from the Sun's formation.
Answer:
New cells with identical DNA are created through cell division.
Explanation:
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.
Four single bonds, 2- two single and one double bond, 3- one single and one triple bond, 4- two double bonds.