Dean wants to use shallow pans, water, and adjustable lamps to make a model that compares how sunlight affects the ocean at Earth’s equator and its poles. How should he design his model?

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: