After a baseball has been pitched, it moves toward the catcher. while the ball is in the air, how does its vertical speed change over time? a. it speeds up. b.it slows down. c.it stays constant.

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw