If the velocity of a can increases from 30 ms-1 to 90 ms -1, the kinetic energy increases by
a. 8 times
b. 9 times
c. 7 times
d. 6 times​

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Dna and rna share a number of similarities,but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna