How can upwelling affect the nutrient and oxygen content of ocean water around coastlines?
a. it brings warm, nutrient-rich water to the ocean floor.
b. it brings warm, oxygen-rich water to the ocean surface.
c. it brings cold, nutrient-rich water to the ocean surface.
d. it brings cold, oxygen rich-water to the ocean floor.
*(this is marine science)

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.