Alens can simply be a curved piece of glass. false true

It is true.

Explanation: there are different kinds of lenses but generally they have a curvature to be able to have some optical power.

answer: common sense was the pamphlet that thomas paine used to convince reluctant americans to abandon the goal of reconciling with britain and to accept that independence was the only option to preserve their liberty.

answer = d. hope this . : -d