Answer:
The longest time period is eons.
Olympia is the capital of Washington
Barley. Grains remain an important part of the Russian economy.
Asthenosphere is the answer of this question. It best describes the all above mention properties.
Asthenosphere is the the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
I have no clue but I’m only saying this rn so that I can ask for help bc I’m so mad abt it rn