The answer is B evolution:))
I think Is letter A, I hope is good
The best option is option. C
<u>IRRIGATION</u>
- The agricultural practise of applying measured amounts of water to land to help in crop production, as well as to develop landscape plants and lawns, where it may be referred as watering, is known as irrigation.
- Rain-fed agriculture is defined as agriculture that does not utilise irrigation and relies only on direct rainfall.
<h3><u>What makes irrigation crucial?</u></h3>
- Two crucial agricultural needs are met by irrigation in dry regions of the world:
- (1) a moisture supply for plant development that also carries vital nutrients; and
- (2) a flow of water to leach or dilute salts in the soil.
To Learn more about Irrigation, Click the Links.
brainly.com/question/22708021
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Actually the answer would happen to be : Scientists now gathered information and facts before creating a theory.
