Deforestation results in more...
A.) carbon dioxide in the atmosphere
B.) nitrogen in the biosphere
C.) oxygen in the atmosphere
D.) water vapor in the geosphere

A.) Carbon dioxide in the atmosphere

Explanation:

the carbon soaks up the heat and reflects it back to atmosphere.

A

Elas preservam e purificam as águas doces, impedem a erosão do solo, produzem boa parte do oxigênio da atmosfera e reciclam o gás carbônico,

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.