Answer:
Place the needle at a low angle on the emery board and run it across a few times with some pressure. As you run it across, twirl the needle between your fingers so all sides of the needle are sharpened. Check using the fingernail test I detailed above if the needle is sufficiently sharpened.
Explanation:
The amount of light that passes through the lens and reaches the digital sensor is called exposure.
So, exposure determines how much light or darkness will get to the sensor, and thus how light or dark the image will be when you take a photo. There are settings that are responsible for this: ISO, aperture, and shutter speed - which together are called "the exposure triangle."
The texture would be heterophony, if the musicians have used
the same melody in unison. This type of texture has a line of which it only has
a single melody with its simultaneous variations. This type of texture could be
incorporated with two or more performers.