To understand the nature of electric fields and how to draw field lines. Electric field lines are a tool used to visualize electric fields. a. True
b. False

Natural forces that can alter ecosystems include seasons and climate changes. t or f

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

The california mussel (mytilus californianus) attaches itself to a rock or other solid surface with a bundle of filaments known as the byssus. imagine that 15.0 j of work is done to stretch the distal end of the byssus. it releases 10.8 j of thermal energy as it relaxes. what is the resilience of the distal end of the byssus?