Which of the following undergoes change during a chemical reaction?

a. atomic masses of elements in reactants
b. element identities of atoms in reactants
c. total number of electrons in reactants
d. chemical bonds between atoms in reactants

true                                                                                                       true true true true true true

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.

b. climate change will cause an increase in biodiversity of all ecosystems.

hope this