Describe an experiment to show plasmolysis in spirogyra

The nursing instructor has been observing nursing students initiate an iv infusion. which action(s), if made by the nursing student, indicates that further instruction is needed? (select all that apply.) the nursing student:

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Polar zones are cold and tend to be dry because of a pressure system of cold. low high