Answer:
520,000,000,000 Nanometers = A
Explanation:
The only part of the plant that is left behind is the root so the answer is roots
Answer: B
Explanation: Osmosis is the movement of water through a semipermeable membrane according to the concentration gradient of water across the membrane, which is inversely proportional to the concentration of solutes.
A Pollen Cell is called a Generative Cell