I NEED TO KNOW IF THIS IS RIGHT (ILL GIVE THING FOR EXPLANATION)

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.