The leaves of plants contain stomata that open and close to allow gas exchange. water vapor also leaves the plant through these openings.
what process from the water cycle does this describe ?
a.) collection
b.) respiration
c.) condensation
d.) transpiration

Respiration

Explanation:

Respiration is the right answer :)

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.

label a:   the core

label b : the chromosphere

label c : the photosphere

label d: the corona