PLEASE HELP! MAJOR GRADE! What state or phase is the most common 'standard state' of the elements? (Multiple choice)

Solid
Liquid
Gas
Plasma
Bose-Einstein condensates

What is impossible to do with a hypothesis

What happens to isotopes that are unstable?

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397