Answer:
(D) any of these objects can be used as long as all points on the object lie farther away from the lens than the focal length of the lens.
Points lying between the focal point and the lens will be erect and will not form an object visible on a screen.
Answer: It encourages scientists to give convincing evidence for the results
Answer:
what do you mean by that.
Answer:
A calorie is defined as the amount of energy needed to raise the temperature of one gram of water one degree Celsius.
Explanation:
The other unit used to measure heat is the joule. The joule is the SI (System International) unit
