Where in the plant does photosynthesis occur? *
A. Leaves
B. Flower
C. Roots
D. Stem

It occurs in the leaves

A. Leaves

Explanation:

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.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex