Answer:
<em>IAU- International Astronomical Union</em>
Explanation:
The International Astronomical Union (IAU) is an organization consisting of professional astronomers from around the whole world. The astronomers in the International Astronomical Union (IAU) work together to assign names and probable functions of different celestial bodies being discovered. The aim of the International Astronomical Union (IAU) is to protect and to safeguard field of astronomy and make progress in this field.
Answer:
D. guard cells.. this is answer i think..
Answer:
An underground cavern collapsed
Explanation:
I did research
Answer:
Deep Ocean.
Explanation:
This area recives no sunlight at all