Objective: develop and idea of the trends of temperature and salinity while becoming familiar with a ctd data set. the graphs above depict data from a ctd (conductivity, temperature, and density) study conducted in east antarctica. using the graphs above, answer the following questions on the trends observed and what they may mean. 1. in graph 2, what are the axes? what is the y axis? why is this variable on the y axis?

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

the relative atomic mass of an element is the mass of one atom of that element, relative to 1/12th of the mass of a  1212c atom. to convert to an absolute mass in kg, it is necessary to multiply by  1.661×10−271.661×10−27.

the relative atomic mass is roughly equal to the number of neutrons, plus the number of protons, in the nucleus of the atom.

for elements with more than one stable isotope (different types of nucleus with different numbers of neutrons but the same number of protons), the quoted mass is usually the average mass, weighted by the relative abundance of the different isotopes.