Converting uranium to thorium by decreasing the number of protons from 92 to 90 and decreasing the number of neutrons from 146 to 144 is an example of what type of decay?
a. alpha decayb. beta decayc. positron emissiond. electron capture

Calculate the mass percent of hydrogen in methyl acetate

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?