Answer:
Cd, Cr, Cu, Hg, Pb, and Zn
The answer is D both processes produce puruvate
You can't hear sound on the moon because of space. Space is a vacuum so you can't hear anything unless there is a medium for it to travel through (like air)
A biologist whose interest lies primarily in the study of plants or animals can be called a naturalist, although these days it's more likely she'll be called a natural historian, a botanist, or a zoologist.