What two factors are combined to determine the overall USDA Quality grade of a beef carcass?
Leanness and marbling scores
Skeletal maturity and percentage of ossification
Skeletal maturity and marbling scores
Skeletal maturity and lean maturity

This is what i found on google“ the monomers combine with each other via covalent bonds to form larger molecules known as polymers. in doing so, monomers release water molecules as byproducts. this type of reaction is known as dehydration synthesis, which means “to put together while losing water. in the process, a water molecule is formed.” i hope this you

The reactants are co_{2} aka carbon dioxide and h_{2}o aka water along with light energy