Answer:A useful index fossil must be distinctive or easily recognizable, abundant, and have a wide geographic distribution and a short range through time. Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata.
Answer:
1:A, as the primary sector is for the extraction of raw materials and logging includes the extraction of the raw material of wood.
2:C, as the Tertiary sector is in charge of service, downloading music is a service.
3:Shanna would be in the secondary sector as the secondary sector is in charge of manufacturing goods, vehicles, ect
Answer:
In general, erosional coasts are those with little or no sediment, whereas depositional coasts are characterized by abundant sediment accumulation over the long term. Both temporal and geographic variations may occur in each of these coastal types.
Answer:
Option (C)
Explanation:
Migmatite can be defined as metamorphic rock that is formed at high pressure and temperature condition, depicting pro-grade type of metamorphism. This rock is formed from the partial melting of unaltered minerals or those minerals that are slightly modified. But in this process of formation, the bulk mass of the rock remains consistent. It is a transitional rock between the igneous and the metamorphic rock.
Thus, the correct answer is option (C).
