How has the U. S. Fish and Wildlife Service positively impacted ecosystems? a.
by regulating private land use
b.
by conserving wildlife habitats
c.
by banning hunting and fishing
d.
all of the above

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

What’s the student’s scientific question

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic