Biology, 22.11.2019 03:31, alshaibanihassan10
Earth's second atmosphere ( atmosphere ii ) was a thick atmosphere of primarily water vapor and carbon dioxide. what effects did this have on earth?
helium and hydrogen gases escaped earth's gravity.
heat energy was retained and water vapor condensed.
ultraviolet light split water vapor into hydrogen and oxygen.
increased oxygen allowed reptiles to thrive.
Answers: 1
Biology, 22.06.2019 03:00, lanettejohnson355
Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.
Answers: 1
Biology, 22.06.2019 05:00, jessewilkerson2312
Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.
Answers: 2
Earth's second atmosphere ( atmosphere ii ) was a thick atmosphere of primarily water vapor and carb...
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