Answer:
it is 5:15
Explanation:
since the ration of ac and dc is 1:3
the ans is 5:15
blc 5 is multiplying the two sides of the ratio
1. Weathering is the breaking down of rocks, soil, and minerals.
Erosion is the process of eroding or being eroded by wind, water, or other natural agents.
2. <span>First the rocks on the surface of the earth are weathered, this causes erosion, so then they are eroded. Finally they are deposited. This deposition can lead to the formation of sedimentary rocks.</span>
The current era is called the Cenozoic era.
Cenozoic era refers to the geological time period that extends from 65 million years ago to present-day.
1:3, you simplify 4 divided by 4 and 12 divided by 4