Why might a scientist use simulation in a controlled experiment

Which of the following is not a main characteristic that scientists focus on when determining which kingdom an organism belongs to

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Emmet didn’t want to weed the garden. he put off the task toward the end of the day. he even tried to get his sister to do the job. what type of goal orientation did emmet display toward weeding the garden?