Question

(Please answer as quickly as possible for brainliest, thanks :))

Answer 1

A. actinides do not occur in nature.

Answer 2

Hello,

The answer is option A Actinides.

Reason:

The answer is Actinides because they are human made. Its not option B because some of those are minerals. Its not C because gases are caused by nature. Its also not D because nonmetals are also made by nature.

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit