Why is 4 the correct answer to number 21 ? explain why and answer this

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

The nursing instructor has been observing nursing students initiate an iv infusion. which action(s), if made by the nursing student, indicates that further instruction is needed? (select all that apply.) the nursing student:

Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection