Is a post oak tree is a autotrophic or heterotrophic

All plants are autotrophic.

Autotrophic means he doesn't need another living thing to live(for eating) but that he makes his own food (photosynthesis). (auto means itself).

Heterotrophic means he needs others to keep on living. Like animals. All animals need to eat and can't make their own food with only sunlight, CO2 and water. They need food, which may be plants or other animals. That depends on the animal.

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Explanation:Soil erosion is the detachment and movement of soil particles from the point of origination through the action of water or wind. ... Soil erosion can occur in two stages: 1) detachment of soil particles by raindrop impact, splash, or flowing water; and 2) transport of detached particles by splash or flowing water.