Nitrogen reacts with hydrogen to produce ammonia gas as follows n2(g) + 3h2(g) ->2nh3(g)

3 hours because it is a decent distance.

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.

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.      

you need to stop taking that class