Which part of a hurricane consists of dry, descending air?

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

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.

Chris lives in a city that experiences heavy rainfall with average annual precipitation of 882 millimeters. it is warm all year. mark lives in city with an average annual rainfall of 40 millimeters. it has hot summers and cool winters. chris's city is in a climate, while mark's city is in a climate.