Name four items that you might buy in concentrated form but would dilute before using them

Four Items You could buy in Concentrated Form but would dilute are Orange Juice, Lemonade, Coffee, Squash (Beverage) Hoped this helped.

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.