Biology, 01.07.2019 10:10 malaysiasc93
Students are each given a 20 gram sample of an unknown solid compound in a clear plastic bag. they are insrtucted to break the material into smaller parts by gently hitting it with a hammer. some parts break into large chunks and some look like a fine powder. which statement correctly describes these broken pieces of the sample? the pieces of fine powder are individual atoms the larger pieces are still compounds and the smaller pieces are elements each piece contains the same number of atoms each piece contains the same proportion of different elements
Answers: 1
Biology, 22.06.2019 00:10
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
Answers: 1
Biology, 22.06.2019 09:30
Which short-term environmental change is most likely to lead to ground shifting, landslides, and the collapse of buildings or roads? forest fires flooding earthquakes
Answers: 1
Biology, 22.06.2019 11:00
At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary
Answers: 2
Students are each given a 20 gram sample of an unknown solid compound in a clear plastic bag. they a...
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