When a person is awake their brain is more alert and aware of it's surroundings. When a person is asleep their brain is slower at receiving and processing the sound waves.
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Acid - base indicators (also known as pH indicators) are substances which changecolor<span> with pH. They are usually weak acids or bases. Consider an indicator which is a weak acid, with the formula HIn. At equilibrium, the following chemical equation is established.</span>
The process is when the magma cools and make crystals
Answer:
Air masses take on the characteristics of their source region. Air masses over large areas of similar temperature and moisture content. If the source area is moist the air mass will be moist. In the case of the North Atlantic and the North Pacific you have large areas of cold water, so cold and moist. This produces air masses that are also cold (cool) and moist.
Clams are adapted for burrowing in the mud and sand by having a short siphon (tube that intakes water) that allows them to expel mud and sand from their gils. They also have adapted by using their foot to dig down into the sand. The foot pushes down through the media and then the clam can pull it self down to the tip of their foot.