Deficiency is the developing world’s most common cause of preventable brain damage.
a. iron
b. vitamin a
c. iodine
d. calcium

Which mathematical relationship should you us to convert moles of a substance into grams

Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction

Which of the following happens during cell division? (a) energy is created (b) waste is eliminated (c) carbon dioxide is released (d) damaged cells are replaced