Answer:
Europeans introduced new diseases, killing indigenous natives.
Explanation:
On arriving this places, the Europeans brought with them diseases that were originally not known to these indigenous people. The indigenous people had a large mortality rate due to these diseases because their immune systems were unfamiliar with these diseases.
A comet could change course when passing a planet due to:
The four outer planets are composed of mostly gases and:
- <em>Hydrogen and Helium</em>
Since radio waves, microwaves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays are all emitted by the Sun, you could assume that the Sun emits a large part of the:
- <em>Gamma Rays Spectrum</em>
Human activities contribute change- by change in the earths surface
Physical weathering and this isnt social studies add this to science