Making a hypothesis is the first step of the scientific method, then it is disproved we start over from the beginning. Make a new hypothesis, test it again and see if the data supports the hypothesis. Continue this until you have a proper conclusion.
UV or ultraviolet . Thats why sunscreen says UV protection.
Answer:
Explanation:
Most limestones actually start as calcium carbonate mud or shells precipitated by organisms in reefs or shallow shelf regions - the biosphere. Over time, the limestone is broken down into its chemical parts and may come back to the surface as volcanic CO2 (in the atmosphere).
1. D. Glycolysis
2. D. Light energy is converted into chemical energy
Barnacles belong to phylum Crustacea.
