"an advantage of gas exchange in fresh water, compared with gas exchange in air, is that water loss through evaporation across the respiratory surface can be minimized." The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.
A. instinct.<span>Instinct is the tendency of an animal to exhibit a particular complex behavior.</span>
Answer:
una correcta distancia del planeta respecto al sol, la presencia de agua en el planeta, la presencia de la capa de ozono, La presencia de los elementos químicos esenciales, y el campo magnético terrestre
Explanation:
Answer:
4 seconds
Explanation:
accelertion= velocity ÷ time
20= 80/t
20t=80
t=80/20
t=4 seconds