If you have water that 80 degrees and u put two bolts that are -15 degrees what temperature will the water be after you put the bolts in?

Which of the following is a compound? a. carbon b. oxygen c. hydrogen d. water

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

How many atoms are there in 5.70 mol of mg