Atomic Number
Melting Point
Answer:
C) gemstones
Explanation:
Nonmetallic minerals (known as gemstones) such as diamond, emerald, topaz, ruby, agate, malachite, turquoise, jasper, and so on are of great importance in automobile industry and other industries of the world. Thus, there is increase in demand for them. This makes them to have the highest market value.
Answer:
C
Explanation:
Second law states that conversion of energy is not 100percent efficient, some are lost as heat energy
Answer:
Nucleic acids are polymers of individual nucleotide monomers. Each nucleotide is composed of three parts: a 5-carbon sugar, a phosphate group, and a nitrogenous base.
Answer:
D and B
Explanation:
it is hard to explain but
Xylem is responsible for the transport of water and dissolved ions
The phloem is made of companion cells that form to connect pipes
