Sound waves are produced by vibrating objects. Some of the source of sound are talking, shouting, beating, beating drums, […]
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Pests of crops can be prevented or controlled through the following methods: (1) Physical control; (2) Cultural Control (3) Biological […]
A pest can be described as any organism capable of causing damage to crop plant. Types of Crop Pest. Important […]
A plant disease may be defined as a departure or deviation of the plant from the normal state of health, […]
Floriculture is simply defined as the cultivation of flowering plants. In other words, floriculture involves the growth, care, uses and […]
Forest can be defined as a large area of land covered with trees and bushes, either growing wild or planted […]
COMPOUND A compound is a substance which contains two or more elements chemically combined together. A compound is formed as […]
GENERAL GAS LAW From the gas laws, we know that the volume of a gas depends on both its temperature […]