What is the female counterpart of sperm? the vagina
the ovum
the zygote
the epididymus

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

Frequency of electromagnetic waves that a radio station is assigned. what do you call this type of wave?