B - They have different arrangements of atoms.
1) D chromosomes
2) B a double helix
3)A chromosomes are made of DNA
4)A genes
The main form is carbon dioxide and methane
Answer:
associated with unstable air and stronger weather disturbance, there is more moisture in the air of a maritime air mass, increasing the possibility of rain, snow, and storms. forms over Canada, move down from North Pole, bring bitterly cold and dry air to the northern United States during the winter.
Produce nutrients and food, to convert light energy to chemical energy through the process call photosynthesis.
