How does he author support the argument that veganism is better for the environment a)by quoting several authorities on damage done to the environment b)by giving information about the benefits of eating fruits and vegetables c)by providing evidence showing hat meat production damages the environment d)by telling a story about the horrific conditions in animal slaughter houses

The best answer for this question would be:

C) by providing evidence showing that meat production damages the environment

The author had defined how manufacture productions destroy the environment and how it effects our livelihood in the envinronment; also it is explained how food wastage are growing.

breathe, think and analyze the situation, pull them aside and talk to them about it