These subs are useful in studying the ocean floor, where it is so deep that divers would be crushed by the water pressure. For example, research submersibles are used to study shipwrecks like the RMS Titanic.
Deforestation hope it helps.
Answer:
choosing one cereal over another and losing the chance to buy the other
Explanation:
Opportunity cost is the choice sacrificed for another alternative.
Our wants according to economics are unlimited. The resources to meet these unlimited wants are also scare. Production is limited by availability of resources.
Due to limited resources, we have to choose more important needs over the other. Often times, a scale of preference is drawn for our wants.
The cost of choosing one particular commodity over another is called the opportunity cost.
Answer:
( D )
Explanation:
Because their are actually about 160 of them.
27 is a factor of 54 so 27
