Which of the following is true of ethylene?
A) It is not a very important industrial chemical.
B) It is present in large amounts in natural gas.
C) Its most important use is as a fuel.
D) The vast majority of ethylene is produced by thermal cracking.
D
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The economic model used by most industrialized countries consists of extracting matter (minerals, foods, etc.) and energy from the environment. The matter and energy is converted to goods and services. After production and use, degraded matter and waste energy is dumped back into the environment.
Answer the following statement true (T) or false (F)
The skies in the center of a hurricane are often cloud free and surface air pressure is very low. This area is referred to as the ____
A) eye B) eyewall C) rainfree area D) streamline
Describe five common drainage patterns and the conditions that typically form them
What will be an ideal response?
Outgassing refers to
A) a steady-state equilibrium in the water system caused by cycles of evaporation and condensation. B) process in which water and water vapor emerge from deep layers within and below Earth's crust. C) the dynamic equilibrium between surface and ocean water. D) changes in the total amount of water on Earth through evapotranspiration.