What is the dominant organism colonizing bare rock during primary succession?
A. lichens
B. algae
C. bacteria
D. submergent plants
Answer: A
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If all the ice on West Antarctica was melted, how much would it cause global sea level to rise? If you do not remember the approximate size of this rise, the volume of ice is 3,000,000 km3 and the surface area of the world's ocean is 361,000,000 km2.
A) Less than 1 centimeter B) 1 to 10 centimeters C) 10 centimeters to 1 meter D) 1 meter to 10 meters E) More than 100 meters
The process of East Timor becoming an independent country
A. was relatively peaceful and is referred to as the Palm Revolution. B. was made possible by the support of the Indonesian government. C. took decades and cost hundreds of thousands of lives. D. occurred only after Australia relinquished its colonial control.
A mineral can be either organic or inorganic
Indicate whether the statement is true or false
What is the dominant type of weathering is shown in this photograph?
A. chemical weathering B. physical weathering C. hydrolysis D. debris flow E. dissolution