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Biology, 21.06.2019 22:30
How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?
Answers: 1
Biology, 22.06.2019 00:30
What was the land like over 500 million years ago? what was under the sea?
Answers: 1
Biology, 22.06.2019 15:30
Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos
Answers: 3
Biology, 22.06.2019 15:30
The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old
Answers: 2
Biology, 31.07.2019 12:20
Mathematics, 31.07.2019 12:20
Business, 31.07.2019 12:20
Mathematics, 31.07.2019 12:20
Business, 31.07.2019 12:20
Health, 31.07.2019 12:20
Geography, 31.07.2019 12:20
Mathematics, 31.07.2019 12:20