What type of boundary recycles crust into the mantle?

plate boundary

convergent boundary

divergent boundary

transform boundary

Match the types of competition to their descriptions.

How does human environment effect the biosphere

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.