Which structure protects the delicate inner parts of a developing flower bud

a. carpel

b. stamen

c. sepal

d. ovule

Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.