In the attachment there is a density column where there is colour Question: tell me why is the red at the bottom of the density column if it is the least dense

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.

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

It is may 5 and you are somewhere in the northern hemisphere. if you determine that the noon sun is 51 degrees above your southern horizon, what is the latitude of your location