Question

i need ur help... there are some question.. plz give me answer... u get 20 points..... class 11th and sub- economics
1) Types of collection of data?
2) Source of data?
3) what is diffrence between primary and secondary data ?
4) Sensation of india?
and the last one ..
5) Methods of collecting of data??

Answer 1

•There are two types of collection of data are:
1. Primary data
2. Secondary data
•

Answer 2

Answer:

the process by which green plants make their food using sunlight, chlorophyll, water and carbon dioxide