The answer is B since the natives immune system was weak to the diseases.
Answer:c
Explanation:because I did it before
Answer:
When less sunlight reaches the northern latitudes, temperatures drop and more water freezes into ice, starting an ice age. When more sunlight reaches the northern latitudes, temperatures rise, ice sheets melt, and the ice age ends.
Answer:
technology can helpful improve by making useful resources for example a computer is a useful resource because it helps us figure out things we need to know or help us communicate from long distances
technology can be harmful because it can cause pollution in our world and kill things for example a factory with machines that need fuel such as coal or burn things can cause smoke in the air and pollute our ecosystem
Explanation:
