It is mass can not be created or destroyed
Correct: The sun is the center of the solar system. It is mostly gas. It is the most massive object in the solar system.
Answer:
its tongue and camouflage
Explanation:
A. to find out if a hypothesis is correct.
Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray Group 2 alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust. The ion Ca2+ is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.[5] Free calcium metal is too reactive to occur in nature. Calcium is produced in supernova nucleosynthesis.