How are Xylem and Phloem different?
Describe the path of water through the plant - this is called Transpiration.
Where should you give a plant water? Explain your answer. What happens to the plant if we don’t give it water?
How does Xylem relate to the rings of a tree? How can we tell the age of a tree by its rings?
Why are some plants carnivorous (why do they eat insects/other animals)? Give an example of a carnivorous plant, and explain how it “eats”.

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

the answer is 1. photosynthesis. glad to

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.