Questions

EPA - Environmental Protection Agency.

The EPA estimates that 85% - 90% of the waste is recyclable, but we only recycle about 30% - 40% of it.

The default return value from a function is int. In other words, unless explicitly specified the default return value by compiler would be integer value from function.

Nutrients that are needed in large amounts are called Macronutrients.

There are three macronutrients required by humans:

1. carbohydrates (sugar),

2. lipids (fats), and

3. proteins.

Each of these macronutrients provides energy in the form of calories.

Some other macronutrients are: nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), sulfur (S), magnesium (Mg), sodium (Na).