How much oxygen does a person consume in a minute?

How much oxygen does a person consume in a minute

Oxygen is present in the air that we breathe, and it is a great thing we need it for living. Everyday functions of the body, such as moving the muscles, ingesting and digesting food, and even just sitting and relaxing, requires oxygen. It is so essential that it can be fatal if … Read more

What substance is the white powdery coating on grapes?

What substance is the white powdery coating on grapes

What is it: Have you ever seen a white, powdery substance on grapes? Many people believe it is pesticides. This assumption, while incorrect, is valid due to the prevalence of using such chemicals in agriculture today. This substance is actually composed of several different materials.  The first material, comprising most of the … Read more