Most coral reefs are located in shallow water that is no more than 75 meters deep because below this depth,
A) water temperatures are too cold.
B) water currents are too fast.
C) sunlight levels are too low.
D) there is not enough oxygen.
C
You might also like to view...
The incidence of a beam of visible light on glass causes most atoms in the glass
A. into forced vibration. B. to convert light energy into thermal energy. C. into resonance. D. to spread energy in various directions.
ArcGIS can import attribute data from dBASE and Excel files.
Answer the following statement true (T) or false (F)
In which of the following types of bonding do atoms share one or more electrons?
A. metallic B. intermolecular C. covalent D. ionic
A friend examines Figure 21.4 and argues that a temperature increase of about 0.7oC in the last 150 years is so small that global warming is certainly insignificant and perhaps even nonexistent. What is your response?
What will be an ideal response?