Examine the four skeletons indicate which species appears to be the best adapted for swimming underwater for a long time which characters allow the animal to behave this way

The answer is frog because it is adapted for swimming

The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.

The short-term effect of tar on the body is increased blood pressure.