The choice is D - both A and C
Answer: There is a lot
Explanation:
You're made partly of carbon, so is clothing, furniture, plastics and your household machines. There is carbon in the air we breathe. Diamonds and graphite are also made of carbon.
A metamorphic rock is a type of rock which has been changed by extreme heat and pressure. so must be option D
C a salinity of less than 1%
