Recently in canada, scientists discovered evidence of a prehistoric wildfire they believe occurred when dinosaurs roamed earth. the fossils they discovered were used to study how forests looked before and after this fire. in addition to this comparison, what important information is revealed by these fossils?
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Biology, 21.06.2019 18:00, shelbyo1123
The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community
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Biology, 22.06.2019 00:10, anayamulay
The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.
Answers: 1
Biology, 22.06.2019 09:10, ekautz9675
In general, are there any major differences that you can see? explain
Answers: 3
Biology, 22.06.2019 10:30, jagslovegirl
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
Answers: 1
Recently in canada, scientists discovered evidence of a prehistoric wildfire they believe occurred w...
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