This image shows a volcanic eruption in Hawaii with lava flowing into the sea.

A volcanic eruption with lava flowing into the sea.

Which statements best describe this eruption? Check all that apply.

People keep spending additional units of a particular resource on a want until their marginal benefit is  decreasing withgreater thanless thannot affected by  their marginal cost.

One of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.

An enormous wave generated by an earthquake beneath the seafloor is known as a