Coal is plentiful and inexpensive; therefore many countries use it despite its environmental impacts. true false

True.

Explanation:

Coal is a sedimentary hard rock that is formed from peat which is burned as fossil fuel to supply energy.

It is the most abundant natural resources found everywhere in the world and it is in expensive because of it's abundance.

It is use for producing steel, to generate electricity, manufacture cement and use as liquid fuel.

It has various environmental impact. Coal mining,processing of coal and using it has lead to water and air pollution which has cause different ailment like asthma and cancer in humans.

they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.