19. How would the rock cycle be affected in an area where tectonic plate motion is increasing the height and steepness of a mountain range? A. Erosion along the mountain slopes would increase B. Erosion along the mountain slopes would decrease. O C. The rocks on the mountaintop would turn to magma. D. Regional metamorphism would be prevented.​

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Explanation:

The rocks of the Ocean plates that get pushed further under the continental plates get melted and turned into igneous rocks. These melted rocks form volcanos along the edges of the subduction zones, such as the Pacific ring of fire. The melted rocks that do not make it to the surface form magma that cools into granite and other igneous rocks.

Explanation:

the two answers are a, the population of birds with large beaks will increase on the island, and c, the trait for large beaks will be passed on to future generations through natural selection. the reason for that is because if the birds that have beaks developed for eating small seeds lose all of their food, they will go hungry and eventually starve because they physically cannot eat the large seeds, therefore making the population of large beaked birds higher. also, if the trait of large beaks are dominant on the island over small beaks, then over time the large beaked birds will reproduce more and more, while the smaller beaked birds will reproduce less and less because they can't survive with the food provided. that leads to the trait of small beaks disappearing and the trait of large beaks taking over the island.