Which physical system can be affected by the outside environment? A. Open System
B. Closed System
C. Chemical System
D. Sprague System
Please help I offer 30 points

Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)