The answer is D. after independence
Answer:
aspect of our planet, because first of all this is our home, we should care and preserve it no matter what.
Explanation:
Answer:
Oxygen
Explanation:
Nitrogen gas forms 78%, Oxygen forms 21% and the last 1% consists of various other gases.
Oxygen and Nitrogen are used in various compounds that are essential for plants and animals to survive.
Yes, shale is actually older than limestone. Limestone traces back to about 350 million years ago while shale traces back to about 510 million years ago.
I hope this helps:)