False!
Hydrosphere overlaps with other spheres.
Example. - When Plant (Biosphere) grows under water!!
Hope this helps!
Ocean currents act much like a conveyor belts, transporting warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics. Thus, currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth's surface.
90 - 29 = 61 therefore b=61 because the red square shows that that angle is 90 degrees then minusing 29 degrees from that would give you 61 degrees