Chemistry, 07.11.2019 08:31 nonispn606
Scientists make the claim that the continents of north america and eurasia were once located very close to
each other. the scientists observe patterns in data to support this claim.
choose two pieces of evidence that support the scientists' claim.
a. animal fossils found on each continent are different
b. the same type of animal fossils are found in north america and eurasia
c. only granite contains fossils on each continent
d. the same rock types are found in north america and eurasia
e. mountain ranges are located on the coasts of both north america and eurasis
f. the edges of the coasts of north america and eurasia almost fit together like puzzle
pieces
Answers: 2
Chemistry, 22.06.2019 06:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Chemistry, 22.06.2019 13:10
Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
Answers: 1
Scientists make the claim that the continents of north america and eurasia were once located very cl...
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