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

With these question would be nice i needs them in a hurry which nation leads eastern europe in nuclear energy usage? a ukraine b lithuania c slovakia d solvenia which eastern european nation is popular with skiers? a czech republic b estonia c bulgaria d none are