Main Idea: The main idea is that tigers are going extinct but now acts are being done to help this from happening.
SD1: "A study released that the world's wild tiger population has risen for the first time in century"
I can't figure out the other 2 details.
Sorry.
Kerela the state of India which is said to be as gods state have been experienced the most deadliest disaster in the month august 2018 .All the beauty attraction places have been mixed in the water . The rainfall caused much loss to the Kerala . Many people died , became handicapped , became alone. To bring the before beautiness it may take more than half century . To help the needy people of Kerala camps were organised funds were given by many people who have kind hearts . may keralalties be recovered
- - d. independent sentence.
This is because a independent clause has no dependent clauses and uses two or more independent causes.