Cách xác định nồng độ muối al2(so4)3

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.      

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

hope this mark me brainliest