What is a unique feature of light waves

Thermohaline circulation and gyres

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

Just took the quiz on edgenuity and the correct answer is "c.  4.54 x  10–12  j"

Hello.the answer is  hydrosphere, geosphere, and biosphere  have a nice day