RADIATION: Both conduction and convection require matter to transfer heat. ... Thermal radiation (often called infrared radiation) is a type electromagnetic radiation (or light). Radiation is a form of energy transport consisting of electromagnetic waves traveling at the speed of light.
<span>the spiral arms of the milky way was made of: D. younger stars and gaseous nebulae
The spiral arms of the mily way was organized into four spiral arms, and since it was made of younger stars and gaseous nebulae, Spiral arms typically contain a higher density of interstellar gas and dust than the Galactic average as well as a greater concentration of star formation</span>
Answer:
1.A fertile area in desert where water is found.
2.This circular geologic feature is thought to be caused by an uplifted dome-geologist would classify it as a domed anticline-that has been eroded to expose the originally flat rock layers.
The answer is A :) Hope I helped <3
