The diagram shows a vertical number line.

a vertical line with arrowheads at both ends has tick marks every 4 units with the tick marks for negative 4, 0, 8 labeled. the tick mark two past 8 has an x next to it.
what is the position of point x?

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

1 the 4 is sig

pecialized keyboards

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.