Question

Calculate the pressure exerted by a brick, which applies a force of 1.2 N, when(a) It is placed upright on the soil (b) When it is placed on its widest baseThe length, breadth and height of the brick are 25cm, 10cm & 5 cm respectively

Answer 1

Phosphorus and calcium are two elements that differ in their matter cycles from nitrogen,carbon, or sulfur cycles because they

A. are not transported in fluid systems