Ulna is the forearm bone involved in formation of elbow joint
The endocrine system uses chemicals
Chlorophyll is the answer I am 100% sure
Answer:
Orchids have some unique features which help them in the evolutionary race. They produce masses of pollen (which improves the chances of pollination), very light seeds (which makes them easier to spread) and can grow on other plants using them to support their own growth.
Answer:
Nitrogen
Explanation:
the general form of carbohydrates is
CxH2xOx
but for protein there's a Nitrogen in the functional group
