Two technicians are discussing back pressure. technician a says that higher exhaust-system pressure leads to lower manifold vacuum. technician b says that back pressure can be tested with an oxygen sensor, and egr valve, or an air valve. who is correct? a. technician ab. both technicians a and bc. neither technician a nor bd. technician b

Apopulation is a group of individuals of a single species existing together in an area. a population’s range, the area it occupies, changes over time. populations, in turn, may form a network, or metapopulation, connected by individuals that move from one group to another. within a population, the distribution of individuals can be random, uniform, or clumped, and the distribution is determined in part by the availability of resources. how might the geographic range of a species change if populations could not exchange individuals with each other? how would your answer depend on what type of metapopulation existed?

What is the contribution of women in making the family and in the nation?

Which methods of dealing with economic crisis that were established during the new deal are still used today? choose all answers that are correct. question 9 options: a providing a job for every american citizen b prohibiting any further immigration c regulating the stock market d paying pensions and benefits for the elderly, children, and the handicapped