Magma is formed by the melting of earth's mantle so it's C. Melting.
The geologist time scale was formed when scientists studied rock layers and index fossils worldwide. With this information, they placed Earth's rocks in order by relative age. Later, radioactive dating helped determine the exact age of the divisons in the geologic time scale.
This scale is organized by the 4.6 billion years of earth's history into sections based on important changes seen in the geologic record. The largest intervals are called eons, with each eon containing many millions of years.
In precambarian time the processes that affect Earth's surface have lessened the erosion on the surface. Earth was being hit by meteorites every second. Now there is water erosion and there wasn't back then. The surface changes have lessened over time.
tan coloring to blend in with the surroundings
Explanation:
The tan coloring helps ground squirrels adapt properly to African savannas.
African Savannah is a large expanse of grassland with very short trees. The bulk of Savannah is predominantly dominated by grass.
- Ground squirrels have a fascinating tan coloring of their hair like rodents in this biome.
- The color is the color of the earth.
- Through this it can easily blend with the ground and camouflage to escape their preys.
- Sharp claws are useless because it is a grassland.
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Answer:
Natural Selection
Explanation:
In natural selection process of evolution, traits that are essential for an individual to be fit enough to survive under environmental stress become dominant.
Since the flowers are of blue or yellow color, it is essential for a bee to be able enough to perceive the blue and yellow color. Hence, the eyes of bee with time have evolved to perceive these two color so that they can pollinate flower.
