I’m not 100%sure but I think it would be indirect
Answer:
c. gold marbles because they have one type of atom
an element is a substance that is entirely made from one type of atom.
Pure substances contain a single type of chemical species, either element or compound. Elements cannot be further broken into simpler units by chemical methods. If we consider a sample of elements, it has a single type of atoms present in it. A compound has one or more atoms bound together chemically. Compounds can be broken down into simpler units by chemical means. When we consider a sample of a single compound say water, it has all the pure water molecules. Hence, elements and compounds are pure substances.
Beaker of water i guess because usually at home when i get out cold water i put in my room and it cools fast for me so..... i think
Answer:
Coal is made from plants that were once alive! Since coal comes from plants, and plants get their energy from the sun, the energy in coal also came from the sun