Dean is slowing down on his skateboards. He starts at a speed of 5.5 m/s and slows to 1.0 m/s over a time of 3.0 seconds. What is Dean’s acceleration?

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the