B- desert gravel are landforms that are created by the wind agent of erosion
The main idea is answer choice A.
End Ordovician, 444 million years ago, 86% of species lost
— Graptolite 2-3 cm length
Answer:
A language may be endangered because there are fewer and fewer people who claim that language as their own and therefore neither use it nor pass it on to their children.
Explanation:
because it is