The statement “Feeding scrub-jays can lead to starvation of fledgling scrub-jays” is true because if humans feed the birds, they may become reliant on humans and be unable to get their own food, which can lead to starvation and malnutrition
To calculate volume, simply multiply length*width*height....
V = 30cm*40cm*200cm
V = 1200cm^2*200cm
V = 240000cm^3
Thus, the volume of the locker would be 240000cm^3
This is called Subsistence Hunting