Look at the picture below to answer. If u answer correctly i will mark you as brainliest! To answer the question use a PERIODIC TABLE OF THE ELEMENTS.

C:18

Explanation:

i really dont know but i will try okay.

so i think u would just add all them up and get your answer..

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.