What is a large circular or elliptical depression at the summit of a volcano resulting from collapse
called?
a. a caldera
b. a rift valley
c. a crater
d. a volcanic vent
e. a blow hole
A
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Which of the following describes the conditions when ordinary thunderstorms, which last about one hour only, begin to dissipate?
A. The downdraft spreads throughout the cloud and cuts off the updraft. B. All precipitation particles in the cloud turn to ice. C. Solar heating at the ground begins to decrease. D. Lightning neutralizes all the electrical charge in the cloud.
Describe the monsoon climates of Southeast Asia
What will be an ideal response?
Carrying capacity refers to the size of a species' population that an ecosystem can support
Indicate whether the statement is true or false
Which mineral subgroup is the most abundant in Earth's crust?
A. ferromagnesian B. micas C. garnet D. feldspars