What are like rivers of ice they move and flow through not very quickly at all

What type of specimens where you able to see under each of the microscopes in the microscope activity

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.