What percentage of the world's coral reefs do marine biologists estimate has been destroyed by human activities?
A) about 5%
B) about 10%
C) about 15%
D) about 20%
Correct Answer:
Verified
Q23: In which lake zone are fish that
Q24: In which lake zone are large numbers
Q25: During which season is a Canadian lake
Q26: Which lake zone refers to the open-water
Q27: Which term refers to lakes that have
Q29: What is considered an economic service of
Q30: Which zone is the dimly lit (twilight)zone
Q31: Which lake zone includes the shallow sunlit
Q32: In what zone are hydrothermal vents with
Q33: What is considered an ecological service of
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents