What would most likely happen to life on earth if the carbon cycle stopped? life would continue unchanged. life would cease to exist. only plants would be affected. only animals would be affected

Carbon cycle is the series of reaction in which the carbon as an element is utilized and then again added it back. If carbon cycle stopped plants can't survive and as they are the producers the whole world can't be alive! 

1 ) What would most likely happen to life on Earth if the carbon cycle stopped? 
B) Life would cease to exist. 

2 ) What is the primary function of the carbon cycle? 
A) recycling the supply of carbon on Earth

Idk i think the answer choice is number 1