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Biology, 31.01.2020 13:44, DASASDAEDWEDA
As various vertebrate groups evolved, the structure of the heart changed. which of the following describes the heartsame of birds and mammals?
a) one atrium and one ventricle
b) two atria and one ventricle
c) one atrium and two ventricles
d) two atria and two ventricles
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Answers: 2
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Biology, 22.06.2019 09:40, GreatBaconGamer
For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes
Answers: 1
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As various vertebrate groups evolved, the structure of the heart changed. which of the following des...
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