Answer:
1. Thin Humus layer, minerals deep beneath the surface
2.Solar energy
Explanation:
I just took the test and got it right.
Answer:
E & B
Explanation:
Humans select the mates rather than letting nature decide thus artificial
Answer:
I think it's the second option
Correct me if i'm wrong but i hope i helped! xoxo
Answer:
A
Explanation:
Iron corrodes in moist air. When iron gets exposed to air, it reacts with oxygen molecules to form rust. Rust degrades the quality of iron. Therefore, methods of protection from rusting like, Barf's protection, Sacrificial protection etc. are carried out.
