Question

(a)suggest two ways to decrease pressure on a surface
(b) density of an object is 1.8g/cm³.express it in kg/m³​

Answer 1

1800kg/m3
This is the answer of your question

Answer 2

pressure can be decreased by:

by increasing the area on which force is acting..

and by decreasing the force acting on the body...

density=1.8 g/cm^3

density in kg/m^3=1800 kg/m^3...