Answer: Renewable
Explanation:
Hydropower is a renewable resource. The water that is used to power the turbines can be used over and over again
Answer:
C. Prohibits radioactive-waste disposal, weapons testing, and military related activities on the continent
Explanation:
The Antarctica treaty which was signed in 1959 and still in usage stipulates all military activities , radioactive testing and disposal, weapon testing activities should be prohibited. The treaty is only modifiable every 30 years .
Presently , mineral exploration are not allowed.
Physical weathering is the breaking down of rocks into smaller pieces.
- It is a physical process.
Cracking of rock caused by the freezing and thawing of water.
Answer:
lack a significant disk component, although both types have the halo component.
Explanation:
- The absence of the disk components in the elliptical galaxies is a major difference that occurs in the spiral and the elliptical as the elliptical galaxies lacks disk components they would not have an active star formation taking place.
- As the halo does not have that star formation properties and are small in nature and thus have much older stars than in spiral galaxies.