Which type of organism in this lab can get its nitrogen from nitrogen fixation (converting n2 gas into ammonia), allowing it to grow even if easily used forms of nitrogen are not available in its water or food?
cyanobacteria
daphnia
bosmina
trout

It just all depends on where you live at the moment

1. d: oceanic crust is thicker and contains a lot of granite2.d: where two continental plates are colliding  3.b.contour boundaries4.b.plates that are attracted to each other by gravity5.a.as two continental plates collide along a convergent boundary, mountains are formed.

Ithink the answer  is d. tourism.hope this ☺☺