The original source of all sand is rocks.
NASA satellite observations and citizen science helped build a database called HIVE-OS to help local businesses understand variables like soil moisture and plants that affect honeybee health.
The answer to this question is D.
Climate change is causing the Earth to gradually increase in temperature, this is causing the warming waters.
Coral has this beneficial relationship with this algae called zooxanthellae. The coral provides a home where the algae provides some nutrients. Zooxanthellae uses photosynthesis to get its own food (It's not getting any inside a coral polyp!)
When there is an increased amount of sunlight there is more photosynthesis occuring, which means more and more algae.
To disprove C, the great barrier reef is KNOWN for its biodiversity. Theres LOTS goin' on down there.
Hope this helps!
I believe the answer is: natural resources
Answer:
there is 7.8 billion people in the world right now
Explanation: