***WILL MARK BRAINLEST*** What is the molarity of a 900.0 milliliter solution containing 4 moles of solute? Show your work!

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

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

How many moles of gas are present if p=11 atm, v=12l, t=185k?