The world's deepest known trench has never been explored.

a. True

b. False

What environmental challenges do humans face

How many types of rocks can form from the rock cycle? 1 2 3 4

Using only uniformitarian calculations from the thickness of known sedimentary rocks, likely rates at which those rocks accumulated, and features in and under those sedimentary rocks, geologists working two to three hundred years ago estimated that

The time the sun shines equally on the north and south hemisphere

Alfred Wegener proposed what theory

True or false western boundary currents are deflected by the eastern coast lines of the continents. true or false.

What are the effects of poor service delivery on local communities?

Topsoil loss in semi-arid areas can lead to what ecological problem? increase in numbers of foraging animals desertification Buildup of organic carbon in the soil decreased erosion humidification of the soil

True or false:The higher latitudes are cooler than the lower latitudes.

You are studying an outcrop where the bottom layer is limestone and the layer directly on top of that is sandstone. Near the base of the sandstone are small, weathered pieces of limestone entirely contained within the sandstone.