While interesting, these variations do not directly affect the argument.

It is still unknown whether these variations affected each other and how.

Variations in body fat levels affect the extent to which this occurs.

There are several hypotheses for how solar variations may affect Earth.

Variation can only affect future generations if it is inherited.

More research needs to be conducted to fully understand how cultural variations affect people's willingness to speak out.

Variations in immune system genes can also affect cancer rates.

Thus the variation probably cannot in itself affect intelligence but presumably lies next to some translated region that does.

These variations may well affect our decisions about the treatment proper to subjects in the respective categories.

Large variation in the yearly rainfall directly affects the production of rice.