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

Which is the best thesis statement to introduce an essay on the factors that led to the conclusion of the Cold War? Many people think that the Cold War ended be

What are three steps a historian must go through in order to produce a historical account

Car A has a mass of 1,000 kg and is traveling 60 km/hr. Car B has a mass of 2,000 kg and is traveling 30 km/hr. Compare the kinetic energy of car A with that of

Jay's lease payments are made at the end of each period. Jay's liability for a capital lease would be reduced periodically by theA. Minimum lease payment less t

A 3-hectare lake in the American Midwest suddenly has succumbed to an algal bloom. What is the likely cause of eutrophication in this lake? (A) Nutritional runo

Patents A. always increase total welfare. B. are a form of trade secret. C. reduce deadweight loss. D. create monopoly power.

Last month Maria hiked the 5 mile mountain

Because the CPI is based on a fixed basket of goods, the introduction of new goods and services in the economy causes the CPI to overestimate the cost of living

A building cast a shadow on the ground that makes an angle of elevation of 56° from the end of the shadow to the top of the building. The shadow is 120 feet lon

At which type of plate boundary do tectonic plates slide past each other? at oceanic-oceanic boundaries at divergent boundaries at convergent boundaries at cons