Answer:
option C.there is an accumulation of carbon dioxide.
Explanation:
No one is 100% sure when particles of matter originated however scientist believe it had to be some time before the Big Bang
Here you go I just googled it
Answer:
THE SOUND TRAVELS FASTER IN SOLIDS BECAUSE ITS MOLECULES ARE CLOSE TO EACH OTHER WHILE LIQUIDS MOLECULES ARE NOT TIGHT AS OF SOLID AND IN GAS THE MOLECULES ARE FREE
The answer is C
Why:
A - this is natural
B - water is natural
D - this is also natural
C- this is right because when we breathe out we produce more carbon dioxide then we breathed in.
