Answer:
Contact
Explanation:
As the speed of the particles increases, they move around more, which means they hit the sides of the container more.
Since it is round and it is the asteroid belt it is most likely that he found a dwarf planet
For a p type of semiconductor we need a dopant which is from 13th group in periodic table
Al , B, Ga, In Tl
So the correct element will be In : Indium
The other elements belongs to 15th group and hence will give n type semiconductor
A limiting factor helps an organism outcompete other organisms i think that’s the answer
