2. which of the following is an essential macronutrient?
a. iron
b. protein
c. iodine
d. vitamin a
e. vitamin,

What type of specimens where you able to see under each of the microscopes in the microscope activity

Common commercial benefits of microorganisms include synthesis ofa. insulin.b. antibiotics.c. aspirin.d. antibiotics and aspirin.e. antibiotics and insulin.

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point