Air is a vital resource for plants and animals. which two biological processes are most directly dependent on the availability of air? a) photosynthesis and respiration b) transcription and translation c) fermentation and mutation d) digestion and excretion

I believe the answer is A) photosynthesis and respiration

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.

i think the miocene epoch spans the time from 23 million to 12 million years ago.