The correct answer is catalyst. Hope that helps.
When coming to building something, some materials are more vulnerable to water and can wear away easier. Some can keep the water in, so depending on the material, the water quality can be better sustained.
Answer:
6.8
Explanation:
least to greatest.
3.7 5.4 6.8 9.3 10.2
if there is an even number in the data set then the median is found by the mean of the two middle most.
but since it is an odd data set it is 6.8
HOPE THIS HELPS!
The one with higher air pressure is Warm Air. The reason why is because when you boil water, the water always makes the lid rise. This is because Warm Air has more activity in its atoms and molecules, so it is moving around more, which in turn means that there is more pressure.
Hope I helped. :)
