General Science Questions

The Mercury, planet of the solar system has the highest orbital speed.

A genus can best be defined as a taxon composed of one or more species and a classification level lying below family.

Micronutrients are ne tothe nutrients which our body requires for functioning and to maintain immune to micro organisms. They include 

1) Vitamins 

2) Minerals

• Vitamins: A,B1,B2,B3,B5,B6,B8,B9,B12,C,D,E,K.

• Major minerals: calcium, magnesium, chlorine, phosphorus, potassium and sodium.

• Oligo-elements (trace minerals): iron, copper, zinc, iodine, manganese, chromium, cobalt, selenium.

Sun - The Solar Energy is the ultimate source of energy in an ecosystem.

Appetite is the desire to eat food or in short feeling of hunger. Appetite is triggered by the time of day, the smell, taste and texture of food, the culture in which one is raised.

It is due to the deficiency of Vitamin A. Retinol which is present in vitamin A. Its deficiency causes night blindness. It is available in carrots. 

There are more than 100 types of cancer in the world.