What is the last step in rolling a straight hose roll?
a. tie the slip knot
b. create a fold to protect the outer coupling
c. connect the couplings together
d. use a foot to align protruding hose
Answer: d. use a foot to align protruding hose
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China reclaimed what valuable city-state from the British in 1997?
A) Chengdu B) Guangzhou C) Shanghai D) Taipei E) Hong Kong
In many parts of the world, especially the humid tropics, deforestation and urban development are reducing carbon storage in the biosphere and sending the carbon to the atmosphere
Indicate whether the statement is true or false.
If we equate the entire Earth history to a single calendar year, then the human history only takes place in the last 30 seconds.
a. true b. false
Swamps and estuaries are ecosystems with high rates of net primary production, while grasslands and agricultural lands are lower.
a. true b. false