Answer:
it is iodine it seems very right
Answer:
The answer to this question is D.
Explanation: We know that only plants have a cell wall so that is helpful and we know that plants are green because of their chloroplast. So the answer is D, cell wall, and chloroplast.
To make sure no cracks are in the crucible and also to remove any moisture present in the crucible by the process of heating.
