Answer: P1049.25
Explanation: P69.25 multiplied by 15 is P1049.25
The chemical make-up of a rock refers to its composition. Your answer is correct. This is because geologists determine the amount of occurring inorganic solids and chemical composition in minerals the make-up a particular kind of rock. The variety of arrangements of chemical elements in a rock determine its basic or complex composition.
Answer:
The ocean is one of Earth's most valuable natural resources. It provides food, as about 200 billion pounds of fish and shellfish are caught each year and is used as transportation for both travel and shipping.
The only disadvantage I could think of would be price of equipment needed to produce energy from the source (i.e. price of solar panels)