Dr. ewing measured individual differences in a large sample of individuals using intelligence testing. if performances at each age level formed a normal distribution, the results were probably . l u star bell

A normal distribution illustration exhibits a true symmetric shape. This symmetry is the characteristic of this type of distribution.

Thus, the results were probably symmetrically-shaped (similar to an inverted U).

i think it's they require warm air

explanation:

tornados usually happen when it's raining right so when it's raining it cools down so if the temperature keeps changing then i think a tornado occurs sorry if it's wrong

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.