In the summer, Theresa feels great. She exercises, has a lot of energy, and loves life. By the middle of winter, she is feeling discouraged and has little energy. Once spring comes, she feels better again. Theresa is probably suffering from: generalized anxiety disorder

ptsd

seasonal affective disorder

panic disorder

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?