Mass box A = 10 grams; mass box B = 5 grams; Mass box C - made of one A and one B. How many boxes of A would be required to make 30 grams of C

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.      

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.

d) a person who learns about the world by observing it.

explanation:

scientist are people who discover why and how things are done and made in the world.