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.
Rating Newest Oldest. Best Answer: Much of the earth's surface is covered with a blanket of disintegrated and decomposed rock and mineral fragments produced by weathering.When this is mixed with water,air and decayed plant and animal remains(humus),soil forms.The mineral content of the bedrock determines the nutrient richness of the soil produced.