Question: as a child, he noticed the habits of animals and what they did when they were sick or injured.
Answer: --> As a child, he noticed the habits of animals and what they did when they were sick or injured.

Question: in his latest mail, he came up with a couple of options.
Answer: --> In his latest mail, he came up with a couple of options.

Question: ingredients up to 98% of natural origin.
Answer:
--> Ingredients up to 98% of natural origin.