Read the following statements carefully and choose the correct option: Assertion (A): Coal was formed from trees and plants buried under earth millions of years ago. Reason (R): Heat and pressure over time converted the remains of plants into coal.
Both A and R are true, and R is the correct explanation of A.
Coal is a fossil fuel formed from the buried remains of ancient plants that were compressed and heated over millions of years under the earth — both A and R are true statements.
The reason (R) directly explains how coal came to be (A), so R is the correct explanation of A.
Hence, the answer is Both A and R are true, and R is the correct explanation of A.
Which of the following scenarios can disturb a food web the most?
Which of the following leads to significant damage to the ozone layer in the atmosphere?
What happens to biodegradable substances when they are released in the environment?
Which of the following principles helps reduce pressure on the environment and promotes sustainable living?
Which of the following pairs correctly represents biodegradable and non-biodegradable substances, respectively?
Why top-level consumers are most affected by biological magnification in a food chain?
Food webs help in maintaining ecosystem stability because they:
What is the key realization that can lead to more sustainable use of natural resources?
What is the role of decomposers in an ecosystem?
Why are non-biodegradable wastes considered more dangerous than biodegradable wastes?
The Imperial Forest Research Institute was set up in 1906 in:
Buxa Tiger Reserve is located in:
Which day is celebrated as the World Environment Day?
Which Indian products are issued with eco - mark?
Degradation of global environment has not resulted in one of the following.