Answer:
Soil salinity is the salt content in the soil. Salination can be caused by natural processes such as mineral weathering or by the gradual withdrawal of an ocean.
Explanation:
Answer
The correct answer is: metamorphic. Metamorphic rocks are rocks formed from transformation of existing rocks by the influence of pressure, heat or chemically active fluids. Those rocks go through chemical or physical changes-change in form.
Explanation:
I got it right on edge
Answer:
An eon
Explanation:
The first broad division of the geologic timescale is the eon. Others are Eras, Periods and Epoch.
Eons are the most broad and the largest of divisions of the timescale. There are two categories of the eons which are:
- Hadean eon
- Archean eon
- Proterozoic eon
- Phanerozoic eon
The Phanerozoic eon is the most recent. The Hadean eon is the is the oldest eon.
I think that a) is chemical, and b) would be chemical
