Answer:
b.
Explanation:
The brain is an organ with no actual muscle except for the muscle tissue in the middle layer of the arteries that carry blood of the brain
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Answer:
Answer is C. Modern irrigation.
Explanation:
The word 'irrigation ' means the process of supplying water or watering of land in preparation for planting and watering of planted crops to survive.
Modern irrigation involves the construction of hoses, channels and canals. This is done so that water will be available through out the seasons for the crops, and water will be supplied to areas where there is scarcity of water.
Irrigation is very important because it prevents famine, improves water condition in the soil by dissolving nutrients for plant use.
Answer:
A double helix shape of DNA
Explanation:
Answer:
DNA checking
2.after few days it's growth rate was so great