could you help me?

what does this sentence mean? 

Scientists also preoject that increasing cool-weather rain and snow in the winter habitat for eastern migratory North Amnterican monarch butterflies will become inadequate for the species' survival.

I'm not sure what will become inadequate.

thank you in advance.

could you help out here. what does the sentence:   get on the freeway and take the seventh Avenue exit mean?

what does the two lines mean:  

when that world have walked on me,  there was the softness of her.?

the sentence "he fixed his eyes on me for a few seconds" , 

is it a correct sentence?

could you help me out here?  The sentence I have engaged a room at  the hotel. does it mean: I am living there,  I have lived there or I will  live  there?

the sentence we have engaged the services of a famous engineer. will the engineer work for us?

could you  please help me out here? the sentences: she has taken the responsiblity of a wife bravely./she has taken on  the responsiblity of a wife bravely.

Do they mean the same? 

and what do they imply? what did she do? or what will she do?