Answer D) : from testing the starch by iodine
Answer:
The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.
Snake goes to frog frog goes to bug bug goes to leaf and leaf goes to soil
The last option: over tens of millions of years, the giant supercontinent Pangaea began to slowly drift apart forming the continents
Answer: Ask your teacher for some help
Explanation: if anything can help us your teacher