The answer is A. Host
The host is the cell that is infected by viruses, bacteria, or fungi.
Since the blood does not return to the heart after flowing
through the gills, pressure is not regenerated within the system before it
flows to the systemic circulation (the rest of the body). A single circulation
would experience a loss of pressure after flowing through the gas change organs
(gills of a fish) due to the high cross-sectional area presented by the
capillaries of the gills. For ectotherms like fish, this is efficient enough to
support their activity level. A fishes behavior would change in a few ways if
it had an open circulatory system. However, the most common would be the fish
would become extremely active.
Answer:
ojala te sirva no soy de Argentina pero bueno eso es lo que creo
Explanation:
toda substancia o mezcla de substancias naturales o elaboradas que, ingeridas por el hombre, aporten a su organismo los materiales y la energía necesarios para el desarrollo de sus procesos biológicos,ojala te sirva.
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Answer:
The Kyoto Protocol, a landmark environmental treaty that was adopted in 1997 at the COP 3 in Japan, represents the first time nations agreed to legally mandated, country-specific emissions reduction targets.
Explanation:
https://en.m.wikipedia.org/wiki/Kyoto_Protocol
the article where I got the info from, hope this helps
Answer: Water. The pH level is 7.
Explanation: The scale has values ranging from zero (the most acidic) to 14 (the most basic). As you can see from the pH scale above, pure water has a pH value of 7. This value is considered neutral—neither acidic or basic.
