Answer:
The walls of the arteries are very thick. They are made up of thick elastic fibres and smooth muscles.
Arteries can be described as blood vessels which function to transport blood from the heart to other parts of the body. The blood that the heart pumps is high in pressure. Hence, the thick walls of the arteries are adapted to carry blood that has high pressure.
The other blood vessels do not have as thick vessels as the arteries.
I think the answer is C hope this helps!
Seeds from several different plants are planted under identical conditions and found to grow at similar rates.
Answer:
Both extract from the soil while difference in their extraction method.
Explanation:
Harvesting food crops similar to mining because both are gained from the soil whereas it is also different from mining due to their method of extraction. Seeds are grown again and again in the soil and other agronomic activities has to be done to gain good yield of the crops while on the other hand, in mining precious metals is to be extracted that is already present in the soil.
