<span>DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.</span>
Answer:
b) Energy is Captured.
The sunlight is converted to chemical energy
go for it!!
A Respiration by animals CO2 is being added.
B trees burning same
C tree leaves removed
D oil added