Answer:
I believe it's accumulation.
Explanation:
Whoch birds are migrating is my answer because, for a the birds are migrating because its winter for c birds are already going since one of the questions are where the birds are going, and d is that they are going there to not freeze, the only logical choice FOR ME is B
A weather condition of new york state that show isobars that are closely together and indicate a steep pressure gradient is likely to represent strong wind.The current wind map show the current wind speed and direction for the most recent hours. For example the Hurricane tropical winds maps show high level of winds speeds directio over the Atlantic ocean.
Because they are consumed by other animals to obtain their energy