The answer is (d) because' In order to serve students best' is a consequence of the main sentence 'school districts need to ask for additional information'
<span>a person who wanders from place to place without a home or job.</span>
Answer:
about 4.6 billion years old. Scientists measure its age by using radioactive decay of isotopes found in meteorites and rocks. The Potassium and Uranium isotopes were formed at the same time as the solar system. The inference is that the age of the rocks and meteorites, is the age of the solar system.