If you wanted to make your own lenses for a telescope, what features of a lens do you think would affect the images that you can see? use the simulation (geometric optics phet lab) to test your ideas. make a table to summarize how each variable affects how an image looks.

answer: the exterior temperature of commercial jet planes as they leave the stratosphere and return to the ground increases steadily.

explanation:

the lower most layer of atmosphere is troposphere which extends from 0 to 12 km above the surface of the earth. the temperature initially decreases as distance is increased from the earth's surface. commercial jets fly in lower part of the stratosphere. the stratosphere extends upto 50 km. the temperature in stratosphere starts rising again due to presence of ozone which traps the uv rays.

thus, when the planes leave the stratosphere and return to the ground, the exterior temperature increases steadily.

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i think its c if i'm wrong

+15-35=-20

going in opposite directions