Biology, 03.08.2019 18:00 lisa123465
1. what animals dominated the mesozoic era? a. dinosaurs b. fish c. mammals d. amphibians 2. one group of reptiles, characterized by the fossil archaeopteryx, led to the evolution of a. dinosaurs b. birds c. mammals d. cephalopods 3. what likely contributed to the extinction that marks the end of the mesozoic era? a. global warming b. a meteorite collision c. an ice age d. none of the above
Answers: 1
Biology, 22.06.2019 06:30, brandon436
In 2015, about ten percent of total u. s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power
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Biology, 22.06.2019 09:30, windline21991
Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from
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Biology, 22.06.2019 10:30, jagslovegirl
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
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Biology, 22.06.2019 10:50, luisannavasquez6129
Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%
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1. what animals dominated the mesozoic era? a. dinosaurs b. fish c. mammals d. amphibians 2. one g...
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