student:Eddie Yi/homework

if i am the leader of another expedition,i will prepare to do these things,First I will put the date and plan ready for adventure.something about how long does it take to the expedition,second,by planning a return of the time,prepare enough food,this is very important.if we don't have enough food,we will die.However,the wether is the biggest problem,we can not control the wether,every year in may to august,along the arctic coast often have heavy fog.its hard to identify the direction.Ensure that vehicles can work normally.Enviroment in the polar reglons,In sum,with full preparation,experience,and the exploration will be succeed.