1)how many red blood cells could you line up across the grain of sand? 2) How many red blood cells could you line up across the diameter of a penny (0.02 m)?

Please I need hel

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane

Coal contains energy. a. light b. kinetic c. chemical d. mechanical