Which best explains parallel forces? Check all that apply. left and right forces that can be added together right and upward forces that cancel each other out upward and downward forces that can be added together left and downward forces that cancel each other out addition of parallel forces that cannot result in a negative force differences in parallel forces that result in a net force of zero

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.

Class iii atmospheric hazards are those involving

Alex is the head photographer for the yearbook and the newspaper. she has a large staff of assistant photographers because they need to take pictures at all of the school events. she knows that some of her photographers have better cameras and can take action shots at sporting events, and that some of them are good at taking candid pictures in the hallways. she sets firm deadlines so she has enough time to look through all of the shots and choose the best ones. she gives her photographers constructive feedback to them improve their pictures. respectful enforcer warlord doormat peacemaker