C. The lungs can better exchange oxygen
If later is was 100 million years ago, later b would be 200 million years ago (because it is 100millions years prior to a). And therefore layer c must b 300 million years ago.
A torn rotator cuff is likely but in all its most likely a thrown out shoulder due to the strain of the force of the throw
Minerals move downward through soils in a process called leaching.
God bless!
Vaccine is preventing the infection.
Antiviral is a medicine taken after infection
