Energy crisis and conservation of energy
Energy crisis: • The problem that arises when the consumption of energy is very high and the available sources are limited is called energy crisis […]
Month: June 2018
Sources of energy and their uses
• The chief sources of energy in order of importance are fossil fuels, hydropower and nuclear energy. • In addition, solar energy, wind energy, tidal […]
Energy and the Sun (The ultimate source of energy)
We need energy to perform a wide range of activities. Hence, energy is defined as the capacity or ability to do work. It is measured […]
Organization of the nervous system
Our body is constantly reacting and adjusting to the changes in the outside environment and within the body itself (internal environment), which are called stimuli […]