Which state of water allows fish to remain in a lake when winter temperatures are below 0 degrees celcius

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

As water is cooled from 4 c to 0 c its density

Quiero una redaccion de yo soy medico y que tenga 10 lineas