16. how much time passed between the first big eruption and the climactic eruption of june 15? and how long did these eruptions continue?
when erupted material mixes with river water or melts snow and ice resulting in a volcanic mudflow, geologist refer to this as .
the locations of ancient glaciers and deserts can be traced between continents as support for the theory of plate tectonics. true or false
what are lessons we can learn from coal mining communities in appalachia, the uintah and powder river basins, and carbon and emery counties?
Lane is responsible for producing and maintaining the county’s website for residents. When a flood damages a town in the area, what visual does she include on the website to most realistically portray the cleanup issues facing residents?.
Voters decide on making pot legal * O Checks and Balances O Federalism O Limited Government O Separation of Powers O Popular Sovereignty
why are sedimentary rocks more difficult to directly date than igneous or metamorphic rock? group of answer choices they often do not contain the right radioactive isotopes to measure they are usually composed to sediments of preexisting rock, so any ages obtained represent the age of the rocks that weathered to produce them. they are less common than igneous and metamorphic rock. they fall apart too easily because they are generally weaker rocks than igneous or metamorphic rocks
what type of soil would be best to add to the bottom of a constructed pond, where the goal is to have as little leakage of water as possible?
maintaining good soil quality involves group of answer choices all of these statements are correct. planting different crops in a field in different years. adding new organic matter in the form of manure or by incorporating crop residue into the soil. practices that limit compaction of the soil.
In which environment will you find a pirarucu?In which environment will you find a pirarucu?a. Tree canopy b. riverc. forest floord. Wetland
true or false? the epicenter of an earthquake can be determined by using three seismograms from different earthquakes. group of answer choices
describe the differences in the seasons between the northern and southern hemispheres due to the tilt of the earth and ots orbitaround the sun
coastal plain estuaries were formed when: group of answer choices sand bars formed along the coast as the result of an accumulation of sediment the ocean invaded lowlands and river mouths retreating glaciers cut a valley along the coast sea level fell during glaciation land subsided along the coast