Which is the best explanation for a convection current in the atmosphere? Hot air expands and rises to the top of the atmosphere, while the cool air stays
Hot air expands and rides becoming cooler and denser, then falling again in a
Cold air expands and rises, becoming warmer and contracting, then falling again
in a continuous cycle.
Cold light air rises in the atmosphere, while the warmer air stays near the
ground

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.