What procedure do scientists use to figure out what effect black holes have on time?

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

Which governments provide garbage collection services to homes and businesses