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Answers
Answer:
1.the supply of water to land or crops to help growth, typically by means of channels is irrigation.
2.a-Sodium benzoate b-pectin, Sodium benzoate
3.Weeding or weed control is the process of removing unwanted plants from crop fields. Here physical, chemical and biological methods are used to stop weeds from reaching a mature stage of growth when they could be harmful to domesticated plants and livestock.
4.a series of organisms each dependent on the next as a source of food is food chain.
5.landslide, hail, volcanic erruption
6.bats, whales
Explanation:
hope it helps u.
Answer:
20. Transplantation
21.
1. Irrigation is the process of applying controlled amount of water to plants at needed intervals
3 the unwanted plants that grow between crops are called weeds
4 food chain is a system where smaller animal become the food of larger animal which,in turn is the food for even larger animal
5 drought, flood, earthquake
6 bats and whales