How would you make 75.0 ml of each of the following using cucla 2h20? (note the number of significant 4. figures needed, and the fact that a standard analytical balance can only measure down to 0.0001p.) a) 5.00 ppm cl 10.0 ppm cl b) 20.0 ppm cl c) 40.0ppm cl d) e) 80.0 ppm cl iorotons in 10.00 ml of 525 p

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

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm