Your boss asked you to adjust the temperature so that a sound wave travels more quickly through the air you increase the temperature from 30°C to 36°C what’s the velocity of the sound wave at this new temperature

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

well clustered together.

points close on a scatter diagram