Which best describes the climate of the Cenozoic? unusually high temperatures the entire era

early warmth followed by an Ice Age

complete ice coverage for the entire era

cold and dry followed by a period of glaciation

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.

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

a. the production of carbon dioxide through the process of photosynthesis