Chemistry, 04.03.2021 23:20, izzymoreno
During the nineteenth century, biologists knes
that South America and Africa contained similar fossils. These
fossils let them to believe that a temporary land bridge
between South America and Africa allowed ancient species to
move between both continents. In the twentieth century.
evidence showed that South America and Africa were once
part of the same larger continent and that there were no land
bridges between them. How should biologists respond to the
new geological finding?
Answers: 1
Chemistry, 21.06.2019 17:10, ladypink94
Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.
Answers: 2
Chemistry, 22.06.2019 07:10, nasrul3725
Remember to use the proper number of significant figures and leading zeros in all calculations. gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4
Answers: 3
Chemistry, 22.06.2019 10:10, andersonemma2222
How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?
Answers: 1
During the nineteenth century, biologists knes
that South America and Africa contained similar foss...
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