Some people claim that climate changes is just a part of a natural cycle and not manmade. what do you think

The climate always changes, yes. It’s natural. However, humans have sped it up via things like carbon emissions. One simple example is when you eat a banana and put it in the trash can, when it gets to the landfill it is so trapped it produces methane gas- as do cows.

It allowed for things to be produced much more quickly and efficiently 

You gotta post the test so we can answer it