Rajesh tries to hold the glass with the oily hand , it slips from his hand . give reason for the same

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Idon’t quite understand this problem

If a balloon is taken outside on a very cold day, what will occur?