Answer:
either deep currents and tides or waves and surface currents. surface currents makes sense to me.
Explanation:
i took the test twice and it isnt tides and waves or surface currents and deep currents
Answer:
Electron shell.Each shell can contain only a fixed number of electrons, the first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2) electrons.
(Hope it helped you!)
Explanation:
Answer:aluminum
Explanation:aluminum is a precious metal which means that it can be changed into a liquid solid or gas
Answer
Chemical formula or Chemical Abstracts Service
Explanation:
A CAS (Chemical Abstracts Service) Registry Number is a unique identifier that tells you, for example, that acetone and dimethyl ketone are actually the same substance.
