✅ The correct answer is option A.
The phosphate are a group of minerals of one or more metallic elements chemically associated with the phosphate compound PO4.
✅ The correct answer is option A.
The process that explains the recent changes in the height of sea level in coastal areas of eastern and northern Canada and Scandinavi is isostasy.
✅ The correct answer is option B.
The further subdivision of the eras into 12 “periods” is based on identifiable but less profound changes in life-forms. In the most recent era, the Cenozoic, there is a further subdivision of time into epochs.