Which of the following best describes energy conversion in cellular respiration? A. Light energy converted to chemical energy
B. Stored chemical energy converted to usable chemical energy
C. Stored chemical energy converted to usable thermal energy
D. Stored chemical energy converted to light energy

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds