Which of the following air motions at pressure centres is correct?
A. Air sinks at both low-pressure centres and high-pressure centres.
B. Air rises at both low-pressure centres and high-pressure centres.
C. Air sinks at low-pressure centres and rises at high-pressure centres.
D. Air rises at low-pressure centres and sinks at high-pressure centres.
Answer: D
You might also like to view...
Technological advances can always be relied upon to provide solutions to our environmental problems.
Answer the following statement true (T) or false (F)
Match the biome or aquatic system listed below with the description that best characterizes it
a. euphotic zone d. tropical grassland b. coral reef e. cold forest c. Lake f. temperate desert 10. a few species of coniferous trees 11. upper layer where large, fast-swimming predatory fishes are found 12. supports large grazing and browsing animals in East Africa 13. created by polyps and zooxanthellae 14. contains widely spaced, drought-resistant plants 15. phytoplankton carry out about 40% of the world's photosynthesis here 16. benthic zone is closest to the bottom 17. daytime temperatures are very high in summer, but low in winter 18. scattered clumps of trees may have thorns to discourage herbivores 19. small, needle-shaped leaves on trees can withstand cold winters
What percent of the world's power is generated from renewable sources?
A) 20% B) 10% C) 3% D) 5% E) 7%
Which of the following terms refers to the process by which a hurricane's innermost ring of clouds dissipates and then strengthens?
A. eyewall replacement B. storm surge C. spiral rain bands D. landfall