In the deep ocean, tsunami waves will travel at speeds approaching ____ km/hr
a. ?1
b. ?25
c. ?100
d. ?900
e. ?5,000
ANSWER: d
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Nonpoint sources of pollution
a. enter ecosystems from single identifiable sources b. are more difficult to control than point sources c. include smokestacks and automobile exhaust pipes d. are cheaper and easier to identify than point sources e. are always found in rural areas
What is the distribution of neritic sediments, by size, from the shoreline outward towards the deep
ocean? What facilitates the movement of each size of sediment? What will be an ideal response?
Dome-headed dinosaurs (pachycephalosaurs) are only known to us from ____ rocks
A)early Triassic B)early Jurassic C)late Jurassic D)early Cretaceous E)late Cretaceous
Significant agricultural monetary losses are due to the destruction of ________ through pesticide spray drift and residues on flowers.
A. Monarch butterflies B. Praying mantises C. Bacillus thuringiensis D. Ladybird beetles E. Honeybees