Answer:arrow heads
Explanation: the native americans used them
I believe the answer is
-A decrease in price leads to a decrease in supply.
Answer:
A. The Indian Removal Act
The correct answer to this open question is the following.
Unfortunately, your question is incomplete. You forgot to include the concepts to be matched(benefits). We do not know what they are.
However, trying to help you we did some deep research and can answer the following.
These would be the matches:
Rockets - an invention that supports the exploration of space.
Internet - an invention that connects every single one of us with the rest of the world, almost immediately.
Biotechnology - an invention that changed medicine in that it helps to develop better vaccines and the exploration of genetic information to cure diseases.
Computers - facilitate de storage of information and process it incredible fast ways. It allows science to do calculations with large numbers, solve complicated equations, and search information instantly.
It is interesting thinking that most of these inventions were created for military purposes to be used in wars. And then, they were developed to be used massively adapted to consumers.
Deforestation is caused which means that they are being cleared faster than they can grow back. this problem can be fixed if less growth would happen around forests, this problem could be fixed if there were to be more trees planted.