Volcanoes exist on Earth because of: A. erosion and weathering

B. changing weather patterns

C. the constant movement and shifting of Earth’s tectonic plates

D. none of the above

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

How do you date a sample of rock that you suspect as being one of the earliest on earth

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.