What investigations are best for demonstrating cause and effect relationship

A cable that weighs 4 lbs/ft is used to lift a sandbag up a mine shaft 50 feet deep. A small tear in the bag causes sand to leak out at a constant rate as the sandbag is lifted.

The force of gravity on the Moon is said to be one-sixth of that on the Earth. What would a mass of 15000g weigh a on the Earth, and b. on the Moon?

What is the correct definition of refraction? A) Light bounces back from an object at the same angle and intensity that the object received it. B) When light strikes an object, it doesn't pass through and it does not change direction.

How can the pharmacy keep track of who uses the automated dispensing machine? A. Every pharmacy has a unique code which is used by its employees. B. Every individual is given a unique code to enter when using the machine. C.

Which two processes would have occurred for a hurricane to form over sea?

The primary neurotransmitter at the neuromuscular junction is

Which is the correct equation for calculating the kinetic energy of an object? COM 1 1 KE = mgh KE = mu? KE = at KE = 492 O ) Intro ✓ Done DO

What is a wave? In other words, what is the physical science term for a wave?

What occurs when solar radiation bounces off a surface? texturization absorption reflection energization

Enise is riding her bike and falls to the ground. During the collision, she hits both grass and cement. Which best explains why Denise had fewer injuries to the area of her body that hit the grass?