Isn't it a because in b at the start of the equation the E in Fe just disappeared
Answer:
B. the atomic weight of the element
Explanation:
since it talks about mass i think weight
They both perform photosynthesis and also cell respiration
It's D reflection. I found the answer on quizlet.
https://quizlet.com/127051840/chapter-12-sound-flash-cards/
That is the link to the quizlet.