Why did coal replace wood as the dominant fuel source?
A. It is easier to find.
B. It is more energy dense.
C. It is easily converted to a liquid.
D. It is less expensive to produce.
Answer: B
You might also like to view...
What is the primary method of energy acquisition for phytoplankton?
a. oxygen metabolism b. chemosynthesis c. photosynthesis d. methane metabolism e. respiration
Over 50 percent of the world's coastal mangroves forests have been destroyed.
Answer the following statement true (T) or false (F)
Intercepted solar radiation is called
A) solar wind. B) thermosphere. C) solar constant. D) insolation.
Imagine a class debate between people representing the developing countries and people representing the developed countries
Characterize the arguments of the two sides in terms of the issues surrounding population growth, energy use, resource use, and sustainable development. Then describe what should be the common interests between the two.