Steel that is exposed to water and salt rusts quickly. If you were a ship builder, how would you protect your new ship? Explain.

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced