Please need help on this

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Heterogeneous mixture with larger particles that never settle is