In order to simulate epipelagic zone conditions in a model aquarium design, what light and temperature conditions would be required? a) minimal amount of sunlight, warm temperature
b) minimal amount of sunlight, cold temperature
c)high amount of sunlight, cold temperature

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

What must occur for air masses to form fronts

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?