Most of the known genetic disorders are recessive

Which of the following is TRUE about multi-tasking, as shown by current research?

a. Multi-tasking slows you down and increases the chances of making mistakes. b. Heavy multi-taskers perform better on tests of task switching than those who haven't done it very much. c. People who switch from task to task get more done than people who complete one task before beginning the next. d. Responding to message alerts while doing other things increases productivity because it keeps you more alert and focused.

Between the ages of 2 and 3 years, most children learn how to

A) push a riding toy with their feet. B) use a knife to cut soft foods. C) tie their shoes. D) pedal and steer a tricycle.