In that country Modern Indian laws have made the caste system
A. illegal
B. expand
C. develop
D. acceptable

Someone pleas asap so what you have to do is for each article you have to find the 1) key ideas an d 2) the key quote that's it. ( attached a link to the fille)

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling