A. Petrified
<span>Petrified wood (from the Greek root petro meaning "rock" or "stone"; literally "wood turned into stone") is the name given to a special type of fossilized remains of terrestrial vegetation. ... A forest where such material has petrified becomes known as a petrified forest.</span>
Answer:
Secondary groups
Explanation:
Social groups are the groups that include humans who share common goals and characteristics to perform certain duty. Primary groups and secondary groups are the two broad divisions of social groups. Primary groups involve members who persists personal and close relationships with each other. In secondary groups formal relationships exists among the members. They share common motive and are goal oriented. Unlike primary groups, secondary groups are temporary.
It seems unlikely that our conceptual knowledge is represented by mental definitions because it is easy to find exceptions to any definitions proposed.
Prototype theory is an idea of categorization in cognitive science, especially in psychology and cognitive linguistics, wherein there's a graded diploma of belonging to a conceptual class, and some members are more vital than others
A prototype is commonly used to assess a brand new layout to beautify precision by using device analysts and customers. A prototype is an early sample, model, or launch of a product built to test an idea or manner. it is a time period used in an expansion of contexts, together with semantics, design, electronics, and software program programming.
The prototype theory holds that natural categories are prepared around best examples (prototypes) and that different gadgets belong to the category to the volume that they resemble the prototype.
Learn more about the Prototype theory here brainly.com/question/13711077
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Answer:
A force exists that we knew nothing about that causes the acceleration.
Explanation:
In 1998, scientists observed from distances of supernovae in remote galaxies that the enlargement of the universe is accelerating. Besides, there is evidence that suggests that the universe is flat and infinite, as well as accelerating in its expansion. In that respect, the force suspected to be responsible for this is called dark energy.
