Which of the following molecules has a trigonal pyramidal shape? CO
Ni ---CO
A.
СО
OBCI-S c
Xeo
O.
O C.
0-N

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

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa