In the formation of speleothems, the ceiling part of speleothem is called:
a. talagmites
b. travertine
c. stalactites
d. acidic limestone
Answer: c. stalactites
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If an atom has 104 electrons, 157 neutrons, and 104 protons, what is its approximate atomic mass?
A. The approximate atomic mass is 157. B. The approximate atomic mass is 261. C. The approximate atomic mass is 365. D. The approximate atomic mass is cannot be determined with the information given.
Describe the two main methods of cloud seeding and evaluate how effective cloud seeding efforts have been
What will be an ideal response?
Why was Alfred Wegener's idea of continental drift dismissed?
A) Someone else had already introduced his idea to the scientific community. B) Many of his evidences did not support drifting continents. C) Continents have not moved since Earth was created. D) The evidence at the time seemed to suggest a solid mantle that did not allow drifting of continents to be possible.
If scientists did not account for the urban heat island effect when tracking changes in global temperature over time, they would most likely ________ the magnitude of global warming
Fill in the blank(s) with the appropriate word(s).