Chemistry, 29.10.2019 05:31 kayleahwilliams6
Charles darwin studied finches on the galapagos islands. while the finches on all the islands came from the same ancestors, the distance between the islands was too great to allow finches from different islands to interbreed. over time, the size of the finches on the different islands remained the same, but the shape and size of their beaks changed, as shown here. this adaptation the finches find food on their particular island. the change in the size and shape of the finches’ beaks was most likely caused by
Answers: 3
Chemistry, 22.06.2019 06:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 3
Chemistry, 22.06.2019 17:10
Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.
Answers: 2
Charles darwin studied finches on the galapagos islands. while the finches on all the islands came f...
Physics, 10.10.2019 21:00
Computers and Technology, 10.10.2019 21:00