Biology, 15.07.2019 02:10 evelynrrojas461
(50 points + ! )what did the miller-urey experiment demonstrate?
earth's early atmosphere contained abundant oxygen.
early earth was constantly bombarded with comets.
small organic molecules formed from gas mixture of earth's early atmosphere.
organisms were spontaneously generated on early earth.
Answers: 2
Biology, 22.06.2019 05:10
1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?
Answers: 2
Biology, 22.06.2019 10:00
1. fold your hands together so your thumbs cross over ,and look at your thumbs. which thumb feels most "comfortable" on top is actually controlled by a gene. the left thumb folding over the right thumb is a domi
Answers: 3
Biology, 22.06.2019 16:30
Which of the following may one conclude from a map that shows the average ph value of rainfall in the u.s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u.s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u.s.
Answers: 1
(50 points + ! )what did the miller-urey experiment demonstrate?
earth's early atmosphere con...
earth's early atmosphere con...
Mathematics, 20.12.2020 20:50
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