What will happen if the number of snakes goes down?

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is nm. if the same force moves the same cart three times that distance, the work done is nm.