Answer:
Cyanobacteria are responsible for first adding oxygen to the Earth's atmosphere.
The epidermis, or top layer of your skin may be damaged. The epidermis is made up of mostly dead skin cells to protect your body from small scrapes. If the cut is deep enough ot might affect the dermis, or lower layer of the skin that contains nerves and fat to warm your body.
Hope this helps! ; )
Answer:
Explanation:the answer is not B since it's also asking for more then one continent in the question
Condensation of nuclei. They make up clouds
