The two types of body waves are ____________________ wave and ____________________ waves. Fill in the blank(s) with the appropriate word(s)
P/primary/compressional, S/secondary/shear
Environmental & Atmospheric Sciences
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Saltwater in the ocean covers
a. 97% of the earth's surface b. 98% of the earth's surface c. 50% of the earth's surface d. 71% of the earth's surface e. 97% of the biosphere
Environmental & Atmospheric Sciences
During the Paleozoic, the Transcontinental Arch extended north of the Canadian shield. Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
________ play a crucial role in returning nutrients essential for plant growth directly to the soil
A) Chemical decomposers B) Herbivores C) Scavenging decomposers D) Producers
Environmental & Atmospheric Sciences
The spatial arrangement of people is called population:
A) biologic B) density C) distribution D) arithmetic
Environmental & Atmospheric Sciences