1.3 [35] ACTIVITY 2 2.1. In THREE facts each, explain the following: 2.1.1 Natural radiation (3x2)(6) 2.1.2. Artificial/ man-made radiation (3x2)(6) 2.2. DiscussONE way in which global warming aggravates the effect of radiation PROJECT 2021 GRADE 11 LIFE ORIENTATION NORTHWEST PROVINCE​

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!