Answer:
A categorical grant is used for a specific purpose, or category, for state or local spending. (Ex: natural disaster, airport building, crime fighting) that depends on state's population. Block Grants are given for general purposes that the states can use as they see fit (welfare, public health).
The answer is comet. the paragraph explains comet best
A white tail deer is a consumer.
Abrasion is caused by the effects of wind and sand.
Greenland is part of North America, but Greenland is politically associated with Denmark/Norway.