Wheat is one of the most important staple foods consumed globally, with the USA producing 8% of the world's total production. But the recent studies show that the wheat production is declining here due to adversely of climate.

As a geographical point of view can you state the specific reason to explain the fact?

Refer to the following statements from the geographical point of view consider the true statement and explain the reason.

Statement 1 - CO₂ is an essential component of atmosphere.

Statement 2 - Too much presence of CO₂ is harmful for nature.

According to a major study published on 4th October 2023 in the journal 'Nature', climate change is emerging as the major threat to the frogs and amphibians, more than hundred amphibians slipping towards extinction.

What according to you can be the reason for such extinction?

Assertion (A): The ice cover is shrinking in Arctic, Antarctic, Alaska and Greenland.

Reason (R): The temperature of the earth is increasing alarmingly due to human activities.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true and R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.