The end product of composting of kitchen waste, garden trash etc, that forms the manure is:

Dietary fibres that may not get digested in your digestive system is known as:

The state of complete physical, mental and social well-being, and not merely the absence of disease is known as:

The hardest substance in the body is:

The immediate help given to the victim before taking him to the hospital is:

The process in which reusable materials are remade into either the same product or new product.

You need sleep to:

The addition of unwanted materials into the natural environment is:

Lack of intake of nutrients can cause:

What helps to build a strong body and prevents disease?