Answer:
protection
Explanation:
Mountain serve as protection ,in the olden days if you are surrounded by mountain you cannot or easily attacked by invaders
The type of electromagnetic radiation that cannot be focused are x-ray and gamma rays. The photons connects with other photons and not surfaces. When a photon hits an atom it can distribute to any direction. The only way to limited both types of electromagnetic radiation would be through interference.
False because of the light rain won't help much at all and the soil might help because it's kinda like sand
<u>Answer:</u>
Some place of South America where indigenous people settled are Argentina, Bolivia, Chile, Ecuador, Brazil, Columbia, Guyana, Uruguay, Peru, Paraguay.
<u>Explanation:</u>
- Indigenous mean originating at a particular place(native). Mapuche, Toba, Kolla, Makovi, Huarpe are some indigenous people of Argentina.
- Aymara and Quechua are the largest indigenous group of Bolivia which is about 20% of total population.
- Native Peruvians are the indigenous group of Peru which is about 25% of total population according to the report in 2017.