Chemistry, 17.10.2021 07:10, izabelllreyes
Dung dịch H2SO4 98% (d = 1.84g/ml). Hãy xác định CM, CN, Cm, X của dung dịch này.
Answers: 3
Chemistry, 21.06.2019 22:30, stefaniethibodeaux
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
Answers: 1
Chemistry, 22.06.2019 06:00, Kjswagout5052
In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit
Answers: 2
Dung dịch H2SO4 98% (d = 1.84g/ml). Hãy xác định CM, CN, Cm, X của dung dịch này....