The soil is composed of three layers, They are the top soil layers, the lower soil layers, and the rocky layers, The soil horizon is the layer that is parallel to the soil crust,...
The soil is the main component of the environment as it is necessary for all living organisms (plants, animals and human), the plants take minerals and other nutrients from the soil to live and...
Friction arises when two solid objects touch each other, When the friction force is larger than the movement force, the body does not move, when the friction force is smaller than the movement force,...
Heart diseases lead to death, So, keeping your circulatory system healthy will decrease your risk of a heart attack. You should keep exercising to strengthen the heart muscle and activate blood circulation.
