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 17:00
Look at the reaction below: ca(hco3)2 --> caco3 + co2 + h2o first, balance the reaction. once balanced, use dimensional analysis or another method to find out how many moles of carbon dioxide will be produced if we start with 16.5 moles of calcium bicarbonate (calcium hydrogen carbonate). = mol of co2 number needs to be reported to three significant figures.
Answers: 1
Chemistry, 22.06.2019 06:30
What is the correct term for living the most sustainable life you can within your current circumstances?
Answers: 1
Chemistry, 22.06.2019 07:20
The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.
Answers: 1
Chemistry, 22.06.2019 11:00
What is the molar mass of a gas that has density of 2.054 g/l
Answers: 2
During the nineteenth century, biologists knes
that South America and Africa contained similar foss...
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