Answer:
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Answer:
Solar energy from the Sun's rays is absorbed by the Earth's land and water surfaces.
Answer:
Has unemployed resources
Explanation:
Production possibilities frontier (PPF), also known as production possibility curve, indicates the maximum output combinations of two goods or services an economy can achieve by fully using all available resources efficiently. So when a country is producing inside of this curve, it means there are some resources not yet utilized.
Answer:
ionic
Explanation:
ionic bond is bond between oppositively charged ions while covalent is a bond between non metal ion.
so hydrogen is in group one so is a metal while is in group 15 so is a non metal so it makes it an ionic bond.
