What property do liquids and gases share
a) they change their shapes depending on their container
b) they maintain their volumes
c)they maintain their shapes
d) they change their volumes depending on their container

A is correct

Explanation:

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees. 

see earlier