Answer:the first one is external stimulus
And the second one is migration
Explanation:
In case of drastic emergency or fallout if the us were to stand alone it would need supplies it could get on its own
The correct answer is - B. deciding how many cans of vegetables to store at a warehouse.
The quaternary economic activities do not involve physical involvement into the production, trade, or storage of the products, but instead, this type of economic activity is performed strictly by using ones brain, thus making decisions and plans that are going to be performed by the workers in the primary and secondary (occasionally in the tertiary) economic layers.
Studying geography reveals human history.
Answer:
In Geology rocks that are older are usually the oldest near the bottom
Explanation: