The aquarium in your classroom has an underwater heater. Describe how convection in the water lets the heater keep all of the water warm even though it is located in only one corner of the aquarium

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

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.