Answers: 1
Biology, 21.06.2019 23:30
The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2
Answers: 2
Biology, 22.06.2019 02:30
What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.
Answers: 1
Biology, 22.06.2019 03:30
How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures
Answers: 1
Which is part of the autonomic nervous system? a. peripheral b. aphasic c. central d. parasympat...
Physics, 30.11.2020 20:50
Arts, 30.11.2020 20:50
Engineering, 30.11.2020 20:50
Computers and Technology, 30.11.2020 20:50
Chemistry, 30.11.2020 20:50
Mathematics, 30.11.2020 20:50
Physics, 30.11.2020 20:50
Chemistry, 30.11.2020 20:50
Mathematics, 30.11.2020 20:50