Answer:
A. It uses less energy to make something from recycled materials than from new materials.
Explanation:
I think it is this one because it is the only one that is not harmful to the environment. Also, I took the test a few minutes ago.
Cartography (the making of maps and charts) is a science because it is a body of knowledge which can be used, built on, and can produce testable hypotheses.
The cartography of India begins with early charts for navigation and constructional plans for buildings. Indian traditions influenced Tibetan and Islamic traditions, and in turn, were influenced by the British cartographers who solidified modern concepts into India's map making
Answer:
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Explanation:vvvvvvvvvvvvv
Answer:
Explanation:
Apparent frequency that is received to the speeder is given as
here we know that
now we have
now the frequency that is received back from the speeder is given as
So difference is the frequency is given as
