Question

Question 25
Fill in the blanks and complete the story.
About 300 million years ago the earth had dense ___ in low lying wetland areas. Due to natural processes, like ___, these forests got buried under the ___. As more ___ deposited over them, they were compressed. The ___ also rose as they sank deeper and deeper. Under high ___ and high ___, dead plants got slowly converted into coal.

Answer 1

About 300 million years ago the earth had dense forests in low lying wetland areas. Due to natural processes, like floods, these forests got buried under the soil. As more soil deposited over them, they were compressed. The temperature also rose as they sank deeper and deeper. Under high pressure and high temperature, dead plants got slowly converted into coal.