Please;( urgent CuSO4•5H2O is blue

Drug abuse will not lead to physical and psychological dependence. true or false ?

Match each statement with the state of matter it describes

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i