From past experience, it is known that 90% of one-year-old children can distinguish their mother's voice from the voice of a similar sounding female. a random sample of 20 one-year-old children are given this voice recognition test. calculate the variance.

What are the headings of a data table

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

One reason scientists are trying to develop fuel sources from corn and sugar is because these sources are renewable fossil fuels are being depleted these crops can be widely grown all of the above