Which type of electromagnetic radiation cannot be focused

You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil

What is the difference between a meteoroid and a meteor?