Mina observed the flowers of a plant called a moon flower. These plants have flowers that open and close. She wrote what she saw in a table. Using the information in the chart, what makes the flowers open and close?
A)
gravity
B)
heat
9
Light
D)
water

thesnd

Explanation:

wadada

water or light

Explanation:

water

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. 

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.