What is given to wood whose normal cells have been replaced with mineral deposits

d.

the northwest territory became the most densely populated area in the u.s.

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.

the answer would be a).