Oil window refers to a narrow range of temperature when oil forms. This temperature range is:
a. 90 ºC
b. 90 - 160 ºC
c. 160 - 225 ºC
d. 225 - 250 ºC
Answer: b. 90 - 160 ºC
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Food chains and food webs are basically the same thing
Indicate whether the statement is true or false
Why does Southeast Asia have such distinctive forms of agriculture?
What will be an ideal response?
Which of the following is NOT primarily a consumer service?
A) transportation services B) retail and wholesale services C) education services D) health services E) hospitality services