[math]W sin(slope) + H cos(slope) = true thickness[/math] [math]24 sin(14) + 18 cos(14)[/math] [math]23+2[/math] [math]26[/math] (with sig figs)

Using degrees, I got the same thing you did, so you can probably ask a question now
[math]W sin(slope) + H cos(slope) = true thickness[/math] [math]24 sin(14) + 18 cos(14)[/math] [math]23+2[/math] [math]26[/math] (with sig figs)
pikachu4919 wrote:Pretending you are part of the USGS and giving a presentation to eager 3rd graders, provide three examples of geohazards, how each of them can be caused, and one safety measure you would recommend for each of the examples you provide.
Earthquake: Caused by tectonic plates, faults, and other large-scale rock movement; buildings can be built safer, and seismologists can predict when one will occur Subsidence: Caused by changes in groundwater level, faulting, mining, earthquakes, various other geologic events/processes. Safety measures: more careful mining and groundwater extraction, prediction of faulting events and earthquakes Landslide: Caused by earthquakes, groundwater level changes, deforestation, erosion. Safety measures: taking a good geologic survey of the area before deforestation, not removing too much groundwater.
Nice! Your turn!Magikarpmaster629 wrote:pikachu4919 wrote:Pretending you are part of the USGS and giving a presentation to eager 3rd graders, provide three examples of geohazards, how each of them can be caused, and one safety measure you would recommend for each of the examples you provide.Earthquake: Caused by tectonic plates, faults, and other large-scale rock movement; buildings can be built safer, and seismologists can predict when one will occur Subsidence: Caused by changes in groundwater level, faulting, mining, earthquakes, various other geologic events/processes. Safety measures: more careful mining and groundwater extraction, prediction of faulting events and earthquakes Landslide: Caused by earthquakes, groundwater level changes, deforestation, erosion. Safety measures: taking a good geologic survey of the area before deforestation, not removing too much groundwater.
Gondwana and Laurasia
Correctvarunscs11 wrote:Gondwana and Laurasia
pikachu4919 wrote:Since no one's posted a question in a while,
1. Alfred Wegener used which of the following pieces of evidence to prove his theory of continental drift? (Select all that apply)
a) Matching coastlines of continents now separated by oceans.
b) Evidence of glaciers in areas that are now tropical.
c) The composition of meteors from outer spaaaaaace.
d) The diversity of species of fossils, especially those of dinosaurs and
mammals.
e) The pattern of similar mountain belts on different continents.
2. However, what crucial part of the theory was Wegener unable to prove?
1. a, b, e 2. He didn't know how the plates moved