Question

(c) Mention the causes for the phenomenon
(d) State any two ways to control it​

Answer 1

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Define the terms phenomenon and theory and distinguish clearly between them.

Explain the purposes of scientific theories.

Explain why there are usually many plausible theories for any set of phenomena.

Answer 2

Answer:

• In popular usage, a phenomenon often refers to an extraordinary event. The term is most commonly used to refer to occurrences that at first ...
• Two ways to control weeds: • Preventive methods: Proper seed bed preparation, timely sowing of crops, intercropping and crop rotation.