Although he collected impressive evidence to support his continental drift hypothesis, Alfred Wegener did not receive widespread acceptance of his idea. What obstacle prevented many scientists from accepting continental drift?
What will be an ideal response?
Wegener speculated that continental crust plowed through oceanic crust. There was no evidence to support this. Wegener's inability to explain how continents moved across Earth's surface was an insurmountable obstacle to widespread acceptance of continental drift.
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In what ways are the Sierra Nevada and the Andes similar?
What will be an ideal response?
Coastal flooding is not as deadly as earthquakes. Indicate whether the statement is true or false
Dung beetles live in regions where cattle graze, quickly burying and recycling cattle droppings
Because of the dung beetle's activities, breeding habitats and resources for disease-carrying flies are reduced, and the plants upon which cattle feed are nourished. The relationship between the dung beetles and the cattle is a type of ________. A) mutualism B) intraspecific competition C) parasitism D) interspecific competition
In a conditionally unstable atmosphere, the environmental lapse rate will be ____ the moist adiabatic rate and ____ the dry adiabatic rate
a. greater than; less than b. greater than; greater than c. less than; greater than d. less than; less than e. the same as; the same as