When seen from an airplane, a rainbow sometimes forms a complete circle. When this happens, the plane's shadow is a. in the center of the rainbow. b. totally outside the rainbow. c. in the upper part of the rainbow. d. Nowhere. There is no shadow. e. in the lower part of the rainbow.

A. in the center of the rainbow

Explanation:

A rainbow is always seen half circle

For one to see the full circle of the rain bow, it will appear that the shadow of the object will be found in the centre of the rain bow.

im not to sure what it is

the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas