Answer:
Gradually released into the atmosphere by photosynthetic microbes, it formed two important gases new to fledgling Earth: breathable oxygen gas, or O2, and ozone, or O3. Together, the buildup of these gases enabled life to emerge onto land and evolve into the rich diversity of life-forms that inhabit Earth today.
Answer:
click on the boxes and then show us cuz i cant help with just that
Explanation:
The phenomenon that would happen when the freshwater has too much phosphate content would be an algae bloom. Furthermore, when these algae become decomposed, this will now lead to another phenomenon named eutrophication which is only applicable to fresh waters.
