Consider the following statements regarding population dynamics: Statement 1: In countries with high birth and death rates, population pyramids are broad at the base. Statement 2: This is because very few children are born and survive to adulthood. Which of the following is correct?

A population pyramid that is very broad at the base indicates: (A) High Birth Rate (B) High Life Expectancy (C) Large number of children (D) Low Death Rate Choose the correct option.

Read the statements marked as Assertion (A) and Reason (R) and choose the correct option. Assertion (A): Population explosion happens when the death rate drops rapidly but the birth rate remains high. Reason (R): The birth rate reduces immediately and automatically as soon as health facilities improve.