As with igneous and sedimentary rocks, metamorphic rocks are classified on the basis of texture (grain size, shape, orientation) and mineral composition. However, the classifiction of metamorphic rocks is more difficult to get into than with igneous and sedimentary rocks, for a couple of reasons.
Answer:
Our beautiful America was built by a nation of strangers
That is the answer
Explanation:
Answer:
The distribution of large-scale ecosystems (biomes ) is determined by climate. Latitude, air pressure and winds are important factors that determine the climate of a place. The map shows the distribution of the global ecosystems or biomes.
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C.)Dry I believe is the best choice here, given that this region is composed primarily of deserts
Answer:
The true statement is - Sympatric speciation only occurs in areas where there is local variation in environmental resources
Explanation:
- Sympatric speciation means the evolution of new species from an ancestor species which are occupying in the same area and no geographical barrier takes place.
- Overlapping of ranges takes place to the organism and old and new species are living i the same geographical region.
- A dam diving a fish population could lead to allopatric speciation where geographical barrier causes formation of new species which are completely different from their ancestor species.
