B) is the correct answer. The flu virus does not have the same genetic makeup each year as with each individual it infects its rapidly mutating.
In the grassland trees and shrubs are rarely anywhere compared to the temperate forest. The animals don’t have a lot of shelter in the grasslands compared to the temperate forests.
They Are Called Sound Waves.
This is what lets our ears hear "Listen" To noise
i hope this helps you
It is the last choice because their similar bone structures suggest they once had a common ancestor, which is why they are all mammals.
