Explore Westonci.ca, the leading Q&A site where experts provide accurate and helpful answers to all your questions. Connect with professionals on our platform to receive accurate answers to your questions quickly and efficiently. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

HELP ME GUYS PLEASE!

HELP ME GUYS PLEASE class=

Sagot :

Answer: number 1

Explanation: that is when we could first sustain life because that is when we gained atmosphere and when we could hold carbon and oxogen

Answer:

I think the answer was A. Because before the ozone layer oxygen was not as much for life on earth to evolve so once the ozone layer started to form up it kept organisms and earth surface safe from direct uv lights so life started evolving.