Rate of development depends on biological and environmental factors affecting the child.

Absolutely, the rate of development in a child is influenced by both biological and environmental factors.

1. Biological Factors: These are the factors that are determined by the genetics and heredity of a child. They include factors like genetic disorders, physical health, and the rate of physical growth. For example, a child with a genetic disorder may develop at a slower pace than a child without such a disorder.

2. Environmental Factors: These are the factors that surround the child as they grow and develop. They include factors like the child's family, school, society, culture, and even the country's economy. For example, a child who grows up in a nurturing and stimulating environment may develop faster than a child who grows up in a less stimulating environment.

Therefore, the rate of development in a child is a complex interplay of both their biological makeup and the environment they grow up in.