Answer:
D
Explanation:
polysaccharides is NOT one of the four main groups of macromolecules of living things
Answer:
i think it would be A (aka the first answer)
Explanation:
im sorry if im wrong
Answer:
The bacteria are autotrophs that oxidize hydrogen sulfide in vent water to, Other processes seem to take place very slowly at vents
Explanation:
Answer: Mouth.
Explanation:
The mouth is known to be performing both the tasks of chemical digestion and mechanical digestion.
The food is ingested through mouth and the teeth perform the process of mechanical digestion by breaking down the food particles into smaller particles.
Then the saliva gets mixed into the food and the enzymes(amylase) present in the saliva helps in the digestion of carbohydrates.
So, mouth is the organ that performs the process of both mechanical and chemical digestion.
Answer: It's known as the continental drift :)
Explanation: "Pangea's existence was first proposed in 1912 by German meteorologist Alfred Wegener as a part of his theory of continental drift. Its name is derived from the Greek pangaia, meaning “all the Earth.”" (copied from google)
