1
The study of skin
2
The study of food
3
The study of plant nutrition, plant yields
4
The study of airbone organisms
5
The study of electricity
6
The study of the heat
7
study of blood
8
The study of motions
9
The study of properties of substances
10
The study of rocks
11
The study of surface of the earth and its inhabitants
12
The science of ideas or system of ideas used to justify behaviour
13
The study of human behavior
14
The study of the atmosphere
15
The study of environment
16
The study of life
