Geography, 20.07.2019 16:50 johnlumpkin5183
Where on earth’s surface do you think scientists can locate rocks from the precambrian era? how do scientists determine the age of the rocks they’re analyzing? what types of tests or analyses do you think scientists would conduct on a rock from the precambrian era? lastly, how does understanding the precambrian era enhance our chances of finding another planet that could one day support life?
Answers: 1
Geography, 22.06.2019 01:10
The rocky mountain system stretching from canada to new mexico is a string of mountains running along the wester united states. what factors would mostly cause this arrangement of mountains? intense pressure undemeath a tectonie plate that could not breakthrough the rock subduction of a tectonic plate, which pushed up a neighboring plate into mountains two plates located at a diverging boundary with a third plate rising between them two plates that melted into molten rock, which later cooled into the shape of mountains
Answers: 2
Geography, 22.06.2019 19:00
Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.
Answers: 2
Geography, 23.06.2019 11:20
You have been tasked with sorting the rock samples shown into three categories, with two rocks in each category. what attribute would you use to sort these rocks? which rocks would be in each category? rocks: obsidian, coquina limestone, granite, soapstone,pumice, and gneiss.
Answers: 2
Where on earth’s surface do you think scientists can locate rocks from the precambrian era? how do...
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