Answer:
190v I believe
hope this helped a little and if it did pls mark brainiest :)
Explanation:
- effect of density in speed of sound.
- effect of direction of wind in speed of sound.
because there is no medium to travel sound in vacuum.
hope it helps.
Answer:
True
Explanation:
Biosphere refer to regions of the earth(sphere) that supports life. It is made up of biotic and abiotic components. Its abiotic components are non-living components that support life and is made up of the lithosphere (the earth crust,mantle) , atmosphere(area of gases and air which is held by gravitational force) and the hydrosphere(all water bodies which includes ocean, sea, lakes, rivers etc).