Geography, 29.10.2020 21:20 jonroberts1587
What causes the up-and-down squiggles on the seismogram show below?
a) variations in air pressure
b) ground vibrations
c) tsunami waves
d) electromagnetic pulses
Answers: 1
Geography, 22.06.2019 00:30
Say whether each of the following statements relates to the influence on weathering by rock composition, rock properties, or climate. 1.exposed rock in the mountains of alaska 2.a lack of fractures in an outcrop3.quartz is rarely affected by dissolution, hydrolysis, or oxidation4.high porosity (a large amount of space between grains in a rock)5.rocks on the coast of a tropical island6.minerals that dissolve in the presence of waterthe good earth/chapter 9: weathering and soils weathering ratesthe good earth/chapter 9: weathering and soilscompositional control1.weathering is faster in rocks composed of weaker material or material that is easily converted to weaker material (such as feldspars)2.weathering is faster in rocks made up of minerals that dissolve in water (salt, gypsum)3.weathering is slower in rocks made of resistant materials (quartz)rock property control1.weathering is faster in rocks that allow air and water in (porous, fractured)2.fractures are natural weathering surfaces3.igneous and metamorphic rocks generally have low porosity ââŹâdo you think they are particularly susceptible to weathering
Answers: 3
Geography, 23.06.2019 17:00
Which of the following types of tourist are best to bring money to the local southeast asian communities
Answers: 1
Geography, 23.06.2019 20:00
Scientist: cross-sections of stalactitesâcalcite formations deposited on cave ceilings by seeping waterâcan reveal annual variations in rainfall in particular areas over hundreds and thousands of years. we often found that whenâaccording to these cross-sectionsâdrought occurred in a particular area, it coincided with the collapse of an ancient society in that area. i hypothesize that drought reduced agricultural productivity in these areas, thereby leaving these societies without the resources needed to handle internal stresses and external threats. which of the following, if true, would most weaken the support for the scientist's hypothesis? a. many droughts indicated in the cross-sections of stalactites do not correspond with the collapse of a society in that area. b. information from the cross-sections of stalactites alone cannot reveal the level of agricultural output in an area at a particular time. c. most of the societies that collapsed during droughts did so when internal power struggles coincided with military raids from neighboring societies. d. most of the societies that collapsed during droughts maintained large stockpiles of food and water at the time of their collapse. e. information from stalactites also suggests that the collapse of some societies coincided with periods of abnormally high rainfall.
Answers: 1
What causes the up-and-down squiggles on the seismogram show below?
a) variations in air pressure
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