Please help with these 2

What evidence is there that convection occurs in earth’s troposphere?

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2