The semicircles on the symbol for a warm front indicate a the air pressure b the temperaturec the direction of motion d the slope of the front

What is the next step in muscle contraction after the actin changes shape? (apex)

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

3differences between bacteria and other 2 cells