A substance that tends to reduce the surface tension of a liquid in which it is dissolved (took that right from dictionary.com)
The circulatory system and respiratory system are protected by your skin, muscles, and ribs.
Answer:
B. Thermal energy will move from the plate to the fruit pop.
Explanation:
If you leave a frozen fruit pop that has a lower degree than the object you place it on, the object with the higher temperature will transfer heat to the colder object, which leads the cold object to melt.
<span>As there are many kinds of deserts, some hot, some cold even arid deserts are the classic hot deserts, but there are also cold and coastal deserts where temperatures do not get so high. The element common to all of these types of deserts, however, is their lack of rainfall. In that sense the rainfall is a characteristic that determines if it's a desert.</span>
Answer:
The correct answer is "negative".
Explanation:
At pH 2 the net charge of the R groups of all the amino acids that comprise the peptide in question would be positive. This happens because of the high content of protons in a solution of pH 2, a value that is below the isoelectric point of all the amino acids. Since the peptide would have a positive net charge, it would migrate to the negative terminal of the gel because opposite charges attract each other.
