Answer:
It needs the spines for protection
Explanation:
The cactus would develop the spines as a form of protection to protect itself from being consumed and to survive longer.
Answer:
C) OXIDATION
Explanation:
Oxidation is the reaction of a substance with oxygen. When a rock reacts with oxygen, it forms iron oxide, which weakens the rock.
Answer: because there is no sunlight
Explanation: Solar cells are also called as photovoltaic cells. They convert light energy to electricity
Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants. They all have the same basic pattern of bones. They inherited this pattern from a common ancestor. However, their forelimbs now have different functions
TGCATA or UGCAUA
I believe one of these is correct
