In an effective school, when students are doing poorly in their learning and test scores are low, teachers attribute this to low intelligence of students, poor home environments, lack of
support from administrators, or other causes.

Which of the following entities ensure that national security policies are carried out? check all that apply.

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Among the following environmental factors, which does not have a long-term impact on the composition of a region's soil? a. kinds of crops grown b. types of fungi present c. topography of the landscape d. variety of species of mammals e. number of freezes occurring annually