An isolated system allows which of the following to enter or exit a. neither energy nor matter b. energy but not matter c. matter and energy d. matter but not energy

What are igneous intrusions and extrusions

Describe uniform velocity and variable velocity in short

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great. d) about 10 times as great.