A researcher makes two balls of clay, rolls one into a "hot dog" shape, and then asks a child if the two pieces of clay still contain the same amount of clay. The researcher is testing for conservation of:.

the money supply is the total amount of money available in the economy. how do changes in the money supply affect people and businesses?

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )

answer; block grants;

answer; a biased sample;