Explanation: Three fourths of the soil in the Amazon is a clay-like laterite soil that is reddish or yellowish. This soil is acidic and poor in nutrients. There’s also a type of soil called Terra preta that has a high concentration of charcoal at a low-temperature and is man-made.

Soil types Soils throughout the tropical rainforests fall into two classifications which include the ultisols and oxisols. Ultisols are known as well weathered, acidic red clay soils, deficient in major nutrients such as calcium and potassium.

The rainforest feeds itself. Most nutrients are absorbed by the plants and do not get into the soil at all. It’s a kind of supernatural cycle. The few plant remains that do reach the ground — leaves or branches — are decomposed in no time by fungi and bacteria thanks to the year-round warm and humid climate.

Kapok Tree

50 – 100 years

Ten deadliest natural disasters by highest estimated death toll excluding epidemics and famines

mortality rate). The infection fatality rate (IFR) is the proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease; it cannot be higher than the CFR and is often much lower….List of human disease case fatality rates.

Indian Ocean