What are the food chains in aquatic

What's the correct form of the verb in parenthesis? mi profesor 1. (estar) de buen humor y no 2. (decir) nada. primero, yo 3. (poner) mi ipod en mi mochila por la mañana es lo que siempre hago. antes yo lo 4. (poner) en mi bolsillo en mis pantalones, pero recientemente 5. (empezar) a colocarlo en la mochila.

Which in spanish an example of: 1) a comparison between two unlike things, and 2) something that you consider the best. when creating your two sentences make sure to use the following expressions: mejor que, peor que, el/la mejor, el/la peor

Astudent requires 2.00 l of 0.100 m nh4no3 from a 1.75 m nh4no3 stock solution. what is the correct way to get thesolution? use m; v; = m.ve1o measure 114 ml of the 1.75 m solution, and dilute it to 1.00 l.measure 114 ml of the 1.75 m solution, and dilute it to 2.00 l.measure 8.75 ml of the 1.75 m solution, and dilute it to 2.00 l.o measure 8.75 ml of the 0.100 m solution, and dilute it to 2.00 l.