Heat and redness, or occur when the small blood vessels in an inflamed area dilate (open up), bringing more blood much closer to the surface of the skin.

Swelling

Explanation:

Inflammation is a response which is triggered by the damaged tissue to the living tissue. This is a type of defense mechanism by the body that is generated in response to the infection or injury.

There are some signs and symptoms of inflammation. These are heat, redness or swelling, which occurs when the small blood vessel in the infected area dilates. Vasodilation occurs that causes swelling and redness in the area. Increased blood supply heats up the area.

relative dating involves things like higher layers are most recent than rocks lower in the sequence. this can be extended to the known sequence of fossils. rocks containing rabbit fossils are later than those containing dinosaur fossils.  

absolute dating methods mainly use radioactive elements that have known rates of decay and produce recognizable products. for example potassium 40 decays to produce argon. once a rock has solidified the argon is trapped. by measuring the argon and potassium0 you can get an accurate number for the age.  

some other methods are good for archaeological ages. dendrochronology involves recognizing the sequence of tree rings. the orientation of magnetized particles in baked clay can be used to date a fire.

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answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation: