All Tubes incubated for 20 seconds and are filled with 4mL of H202 and TUBE 1: 1mL of catalase TUBE 2: 2mL of catalase TUBE 3: 3mL of H20 (water) TUBE 4: 4mL of sucrase Which tube(S) would demonstrate not reactive solutions?​

i tried the eyeshadow trick you told me about and it worked so good i i did a yellow going into orange colors and it was bright and you could see it on my eyes

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.