If we die what would happen

Which two statements are true about a system? 1. a system is a group of objects analyzed as one unit. 2. energy that moves across system boundaries is conserved. 3. there’s only one way to define the boundaries of a system. 4. all systems are made by humans.

Which of the following is not an attitude you should adopt on the road? a. arrogance b. forgiveness c. tolerance

Whats begin with t, ends with t has t in it