A historian found a journal belonging to an ancient Indian princess. The princess liked to keep a record of all the royal women of her dynasty who lived before her time. She tried to collect as much accurate information about their history as possible. Her journal is a great source of historical information. Based on the passage, the princess’s diary is a
source.

Its a first source

Because it was written in that time and it showed original thinking and she was there first hand.

Secondary

Explanation:

It is about the past even though she is old too. It is her secondary record of the past

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".

food chain i would say only because there is competition on getting food and survival