Redbeds indicate the presence o iron in the environment. Red beds are red sedimentary rocks and the color is due to the presence of the ferric oxides. Ferric oxides occur as a coating on the sedimentary grains. In between the shale and cherts, iron-rich sediments can be found.
It's natural from the sun and it doesn't use any of the earths resources therefore saving the environment
In my opinion mixed layers would be the best choice
Answer:
a) i. low, ii. high, iii. low
Explanation: