PLEASE HELP A S A P . If the Mamba roller coaster at worlds of fun speeds up from 10 mph to 78 mph in 2s. What is the acceleration?

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?