What are the sources of carbon dioxide gas?
Carbon dioxide gas is very necessary for the photosynthesis process of green plants to make their own food, and to build their bodies, It is a chemical compound which its molecule consists of one...
Carbon dioxide gas is very necessary for the photosynthesis process of green plants to make their own food, and to build their bodies, It is a chemical compound which its molecule consists of one...
The atmosphere contains oxygen gas that necessary for the respiration process, It is a mixture of gases surrounding the Earth, It is attracted to Earth by gravity, It protects the Earth by absorbing ultraviolet...
Sand soil is well-aerated soil that has low absorption of water, clay soil is poorly aerated soil that has a high absorption of water, and silt soil is moderated aerated soil that has moderately...
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...
The soil is a thin non-compacted superficial layer that covers the Earth’s crust, and it is a very important part of the environment, There are different types of soil that are different in color...