The greatest increase in the speed of a sound wave would result from the transition between which two media?

The answer is a for sure

Their neck becomes more flexible allowing for a better view of vision. legs become stronger for running

Answer is b)eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in the increased production of plant life and the subsequent decrease in the oxygen levels of the watereutrophication occurs when there are excess nutrients in a body of water. this results in plants having more food and reproducing  more, sometimes leading to more aquatic animal life as well. ultimately, this can reduce the oxygen level in the ecosystem. 

The events of world war one would probably inspire people to   write compose or paint something about war or victory if they lived in the victorious country.