I believe true because the Precambrian is the first geologic time, going back 4600-570 years ago, meaning it should contain the earliest of things.
Answer:
Three items that are unique to RNA are as follows:
2. Single-stranded.
3. Contains the nitrogen base Uracil in place of Thymine.
4. Backbone contains the sugar ribose.
Explanation:
Answer:
The crust is thinner and less dense than the mantle.
Glaciers cover 10% of land surfaces.
Hope this helps
