The pH of a completely neutral solution is 7.
Every pH value above 7 is considered a base.
Every pH value under 7 is considered an acid.
One way Elisa can Conserve water at home is to take showers instead of baths and take shorter showers. Another is to turn off the sink water while she brushed her teeth and turn it back on when she needs to use it (rinsing her teeth).
Answer:
The Cenozoic division of the geologic time scale is an era of the phanerozoic eon.
Explanation:
The Phanerozoic Aeon is the eon we live in and was started 542 million years ago. The word Phanerozoic derives from the Greek and means apparent life (zoico) (faneros).
The Phanerozoic Aeon is divided into three ages:
- Cenozoic Era
- Mesozoic Era
- Paleozoic Era
The ages are divided into periods. The Cenozoic Era is divided into the periods:
A biological community of interacting organisms and their physical enviroment.
I hope this help ☺ gl with your study
Answer:
The ozone layer is one layer of the stratosphere. This second layer of the Earth’s atmosphere. The stratosphere is the mass of protective gases clinging to our planet
Explanation:
