Based on what the story explains about air temperature, why does pulling the cord have this effect?

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction

What materials must dams have to produce electricity, and what must occur?

Modern sea star larvae resemble some primitive vertebrate larvae. this similarity may suggest that primitive vertebrates