A highway speed limit is posted as 90 km/hr. Is this average speed or instantaneous speed? Explain your answer.

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?