Question point) How long will it take for a 40.0 gram sample of 1-131 (half-life = 8.040 days) to decay to 10.0 grams? a 16,08 b8.04 c 24.12 d32.16​

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 equation2: 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!

Talia is manufacturing rolls of wire for hanging pictures. she needs a material that is so that it can easily be pulled into wire without breaking.

Which component of the earth’s atmosphere is decreased due to photosynthesis?