The best option would be the letter A. They supply freshwater to support life on Earth.
Freshwater is the ultimate source of water in the terrestrial biome. It is not only important in the terrestrial biome but also in the aquatic ecosystem as it helps in transporting nutrients (ex. river is connected to the ocean).
If both of mr jone's parents were AB that means mr jone has both alleles for blood type a
Therefore there is a chance of 50% that they will have a child with blood type A.
Answer is A
(a brainliest would be appreciated)
Answer:
They work together in the digestive system to make the food originate from the esophagus to the anus.
Explanation: