1. Explain about all the primary sources of. Population data . 2. How does migration affect social and environmental aspect of our life? Explain .

3. What is quality of life? Write some measures to improve quality of life .

0% 10. use the table to answer the question. which elements would you expect to find mainly in the earth’s core? element density (g/cm3) aluminum 2.7 iron 7.87 nickel 8.9 silicon 2.33 iron and silicon aluminum and silicon aluminum and nickel iron and nickel

What is one limitation of the myplate guidelines

Which of the following choices are the fat soluble vitamin? a) c b) b6 c) d d) calcium