Answer:
B. holding a coffee mug
Explanation:
Something must move a distance for work to be done.
Answer:
Atomic number of calcium is 20.
Answer:
loud bangs
Explanation:
the pots for cooking fell
Answer: a. forms where light rays coming from the dog converge.
Explanation:
While photographing through digital camera, the light from the object through the lens converges and falls on image sensor.
The image breaks into many pixels and color and brightness of each pixel is measured and stored in form of number. This forms a digital image.
Thus, the correct option is a because the lens converges the light coming from the object onto the sensor.
