obse2sarivbabyjenn obse2sarivbabyjenn

30-10-2016
Biology

contestada

When fish breathe, their gills exchange oxygen and ___________.
a. carbon dioxide
c. carbon monoxide
b. nitrogen
d. only oxygen is exchanged?

Respuesta :

barrvince barrvince

01-11-2016

C. carbon monoxide is the answer

Answer Link

Otras preguntas

Four outstanding twentieth century playwrights were ______. Lillian Hellman Arthur Miller William Shakespeare Clifford Odets George L. Aiken Thornton Wilder

Which material is primarily a mixture of weathered rock and organic matter? 1) minerals 2) soil 3) ocean water 4) seashells

3.Trace the pathway taken by sperm from the testis to the preputial orifice. 4.What type of cell division produces eggs?

Read the following passage and answer the question that follows. The Strange Case of Dr. Jekyll and Mr. Hyde by Robert Louis Stevenson Part 1 Mr. Utterson the

Why is it important for citizens in a democracy to have more than one way to participate in government and politics?

A triangular pyramid is cut by a plane. In which case is the cross section a quadrilateral?

State whether the fuction is bounded above, bounded below, or bounded. y=2x

explain why comerse was important to egyptians

Name the archetypal character a strong, capable female who may disguise herself as a man in order to achieve her goals.

Which words in this excerpt from Edgar Allan Poe's “The Raven” give the raven a dignified and elegant appearance? Open here I flung the shutter, when, with many