Answer: Putting things in order from youngest to oldest.
Explanation:
Relative dating entails the placing of events in a sequence of their occurrence based on relationships between earth materials. In order to date a rock using the techniques of relative dating, some principles are usually followed. Some of the principles of relative dating are:
Principle of superposition
Principle of original horizontality
Principle of lateral continuity
Cross-cutting principle
Principle of fossil and fauna succession.
All of these principles helps establish succinct relationships between rock layers and what they contain. Fossils which are the preserved remains of organisms in rocks are very essential in relative dating of rocks.
Putting things in order from the youngest to the oldest is relative dating. Other options are categorized as absolute dating. In absolute dating, an exact date is affixed to a geologic event.
Answer:
Granite, Limestone, Sandstone, Lead, mica, zinc e.t.c
Explanation:
Lead:
Lead is a soft, malleable and heavy bluish white metal. Lead is used in construction work. It is also used in lead-acid batteries and for making bullets.
Zinc:
Zinc is a bluish-white lustrous metal. The principal of zinc us zinc sulphide. Zinc is used for coating iron to prevent rusting and it is also used for making alloys like brass and bags of dry cells.
Limestone:
Limestone is an important mineral which is used from pre- historic time. It is used in temples, houses, building, e.t.c. Limestone is used for making cement, lime, e.t.c.
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.
