7. At an underwater depth of 250 ft, the pressure is 8.38 atm. What should the mole percent of oxygen be in diving gas for the partial pressure of oxygen in the mixture to be 0.21 atm, the same as in air at 1 atm

__ _ _ _ _ is the process of removing earth materials from their original sites through weathering and transport and depositing the in another location. a. erosion b. sedimentation c. lithification d. dissolution

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)