This planet is completely spherical.

This problem can be solved using the basic concepts of linear algebra.

This problem requires solving a nonlinear equation.

This equation has nonlinear characteristics.

It is difficult to solve this nonlinear equation.

The scent of cinnamon is spreading throughout the room.

Please check the statement of account.

I like going to watch light opera.

This bridge is made of silicon steel.

Silicic acid is a major component of glass and ceramics.