Pastoral nomadism is most often practiced in areas where there is a humid tropical climate
Indicate whether the statement is true or false
FALSE
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A simple symmetrical upfold is called a(n) ______.
a - anticline b - monocline c - inselberg d - syncline e - none of the above
Which of the following is true in naming aldehydes?
A) The root name is based on the longest carbon chain which contains the carbonyl carbon. B) The oxygen atom is always bonded to C-1. C) both a and b D) neither a nor b
The dark reactions of photosynthesis produce which of the following?
A) glucose B) molecular oxygen C) both a and b D) neither a nor b
The Sylvania Super Saver 75-W light uses 20 W, produces 1,280 lumens, and costs $4.49. As an alternative, a generic 75-W incandescent light bulb costs $0.40 and produces 1,200 lumens.
a. Compare the performance of each light by calculating the efficacy for each light. b. Estimate how much it would cost to run each light for 4 h per day for 300 days in a year. Assume electricity costs 9 cents per kWh.