Answer:
A, They mapped the land and reached the Pacific Ocean, helping the US set claim.
Add-on:
I hope this helped at all. I'm sorry if its incorrect.
Explanation:
density is in fact commonly expressed in units of grams per cubic centimetre. well think about it if we all were just a bunch of density how would it effect our health and society? well let me explain, density is also something in grams or per cubic, density can have good effects and bad effects, im not really sure the answer im trying to help but if i must say if density had a good effect there wouldn't need any worries but density can have bad side effects to everything
hope that kinda helped for ur answer...?…
Answer that helps
Explanation
and if it does not somebody will
The ozone layer protects us from the harmful emission of rays directly to the environment. Absent this added layer of protection we humans will be susceptible to various forms of cancer due to over radiation and eye problems such as cataracts. It is estimated that 10% of the world's population will face the consequences of ozone depletion this year and these numbers were continue to rise as time progresses.
C. when did the earth form? and what is it made of?