If I have a sealed tank of oxygen at 85 degrees celsius and I cool it down to 50 degrees celsius. What happens to the pressure?”
Increases
Decreases
Stays the same
Not beeping information

b i think it’s a water wheel turning in a stream

i think it is d. e because the next one is igneous.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.