Scientists use models for many reasons. What is one of those reasons? A)
Scientists can manipulate different factors withot recreating the
experiment everytime.
B)
Models are more expensive than scientists salaries.
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Models are more accurate than the real thing.
D)
Models are less reliable than scientists.

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.