A horse gallops 10 km in 30 min with an average speed of
A. 30 km/h.
B. more than 30 km/h.
C. 10 km/h.
D. 20 km/h.
Answer: D
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Countries with the largest areas of Forest Stewardship Council (FSC) certified trees, in order from largest to smallest certified areas, are:
a. United States, Poland, Brazil, Canada, Russia, and Sweden b. Sweden, United States, Canada, Russia, Brazil, and Poland c. Russia, Canada, United States, Sweden, Poland, and Brazil d. Canada, Russia, Sweden, United States, Poland, and Brazil
The longest living stars are those of
A. low mass. B. intermediate mass. C. high mass.
Which of the following are the two greatest long-term threats to coral reefs?
A. ocean acidification and overfishing B. damage by divers and predation C. climate change and acidification D. erosion and sea-level rise E. climate change and predation
When the rear-flank downdraft strikes the ground, it may interact with the forward-flank downdraft beneath the mesocyclone to initiate _______________.?
Fill in the blank with correct word.