If there were more men in the world then there would be less kids because women produces children, if there were more women in the world, then there would be less differences.
Okay first off after is should be NOT and after on should be OUR
Answer:
b He likes to learn new things
Explanation:
He is learning new words and wanting to ask questions. He is clearly interested in learning about wherever he is and what people do there.
It really depends on the context.
If you are using it in a noun phrase - first aid kit - you don't have to capitalize it. But, if you are saying - Certified in First Aid, then you would capitalize it, because it is the name of an assistance.