I'd think that'd be the Myelin Sheath
Answer:
It gets the electrons from NADH and FADH2, which are produced in the Krebs cycle.
Explanation:
Because the flowers main purpose is to reproduce more flowers
Answer:
Bacteria and Archaea
Explanation:
Bacteria prokaryotic cells are those that do not have a membrane-bound nucleus.
Archaea are single-celled prokaryotic.
Answer:
Option D, 63 cm
Explanation:
The scale of model is of local park is 
This means that each dimension of the model is 21 times smaller than the actual park (to be developed in future)
Given -
Depth of the pond
centi meter
Depth of the real pond will be 21 times of the depth of the model.
Thus , real pond's depth is equal to
cm
Hence, option D is correct