Because it’s time consuming and money consuming to observe from space so models are required
Answer:
Sooo.. because i am like superrr smart (not really) i think its C :)
Olafactory bulbs because it has to do with nerve signals and neurons. Brain because it is the center of the nervous system and the closest to the nose in terms of the nervous system.
A. Polysaccharide, this is because polysaccharides have cellulose which make the grass stand up.
