Answer:
Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process. Plastics are derived from natural, organic materials such as cellulose, coal, natural gas, salt, and crude oil.
I'm thinking it might be fossil evidence. Hope it helps!
The molecules in the sugar move from an area of higher concentration (sugar cube) to an area of lower concentration in the water.
That is exactly what diffusion is: the net movement of molecules or atoms driven by a gradient , which means that it doesn’t requires energy.
Answer:
D
Explanation:
polysaccharides is NOT one of the four main groups of macromolecules of living things
There aren't enough oxygen molecules in the air are higher altitudes
