Common symptoms of malaria. In the early stages, malaria symptoms are sometimes similar to those of many other infections caused by bacteria, viruses, or parasites. Symptoms may include: 1  Fever. 2  Chills. 3  Headache. 4  Sweats. 5  Fatigue. 6  Nausea and vomiting.
Humus soil is soil made up of decayed organic material. Popularly, it refers to soil that is light in texture, dark brown or black in color, and sweet-smelling. It is considered the richest soil and is usually described as the ideal soil type.
mixture of weathered rock and mineral fragments, decayed organic matter, mineral fragments, water, and air that can take thousands of years to develop Humus dark-colored, decayed organic matter that supplies nutrients to plants and is found mainly in topsoil Horizon each layer in a soil profile- horizon A (top layer of soil), horizon B (middle layer), horizon C (bottom layer)