Question

why thanos need to kill half of the world​

Answer 1

Answer:

Thanos is a Titan, and he watched his home world die due to a lack of natural resources. There were too many people, but not enough food to feed everyone. His solution was simple, fair and brutal: He would kill half the population by random drawing

Step-by-step explanation:

hope you got it...

Answer 2

Answer:

Human activity is driving a loss of biodiversity, with about 25% of animals and plants now threatened with extinction, so halving the population would help other species. As a consequence, you could conclude that by eliminating 50% of all humans, Thanos did the Earth a huge favor.