Tamara is a hydrologist (a scientist who studies water). her assignment is to locate clean freshwater sources. she is likely to test waters in these areas to find sources of clean freshwater. (pick more than one)

☐ streams
☐ seas
☐ the gulf of mexico
☐ rivers
☐ underground
☐ glaciers

Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity

The hypothetical island country of gilder lies in the mediterranean sea off the coast of france. demographers have studied gilder for the past 50 years. at the beginning of the study, gilder had a population of 20 million. the demographers have measured birth and death numbers, as well as immigration and emigration numbers, as shown in the data table. from the data, calculate the population of gilder for each 10-year period by filling in the population (no) and population (nt) columns in the data table. use this formula to do your calculations: population size: nt = no + (b + i) – (d + e)initial population = 20,000,000

Witch are features of the social democracy that is common in europe