Imagine a place in the cosmos far from all gravitational and frictional influences suppose that you visit the place and throw a rock what will the rock do why

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

'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.