Introduction. The Securities and Exchange Commission was established in 1934 to regulate the commerce in stocks, bonds, and other securities. After the October 29, 1929, stock market crash, reflections on its cause prompted calls for reform.he Securities Exchange Act of 1934 created the SEC to regulate exchanges, brokers, and over-the-counter markets, as well as to monitor the required financial disclosures.
Human activities that damage the environment: Burning fossil fuel is damaging the environment which producing carbon dioxide that makes global warming. cutting trees is damaging the environment because it absorbs carbon dioxide and give out oxygen.
Resistance and resilience: the relationship between stability and sustainability. Ecosystem stability is an important corollary of sustainability. Over time, the structure and function of a healthy ecosystem should remain relatively stable, even in the face of disturbance.If a stress or disturbance does alter the ecosystem is should be able to bounce back quickly.n ecosystem disturbance can be natural or human induced stress. An example of a natural disturbance is a hurricane or a tornado. An example of a human-induced or anthropogenic disturbance is tillage or pesticide application. Redundancy in ecosystem structure and function often infers stability on a system.