I believe the answer is A because this is the two loop system because the air you take in from your lungs automatically is polluted. In the two loop system, the carbon dioxide is taken out out of the oxygen and is pumped back to the heart to be taken out of the body. The oxygenated blood is pumped into places it is needed.
The cell wall since all marine organisms need them for support
Answer:
(A) Winters would be cooler and summers warmer because of the closer proximity of the Earth to the Sun.
Explanation:
The Northern hemisphere of the earth in July is the summer, the hottest season of all, and in January it´s winter the coolest season of all, so if 13,000 years from now the earth will be closer to the sun in july and more far away in january what this would do is create cooler winters, and warmer summers.
The light would be best described as AN UNCONDITIONED STIMULUS.
An unconditioned stimulus refers to any stimulus which naturally evokes a response from the affected person. The response that is evoked is termed unconditioned response. In the question given above, the light is the unconditioned stimulus while the blinking is the unconditioned response.<span />
PMI is very important in forensics because having a time of death can help with the identification of human remains and can support or deny the stated actions of suspects in the crime.