Cortisol (hydrocortisone), a corticosteroid with both glucocorticoid and mineralocorticoid activity and effects. Corticosteroids are a class of steroid hormones that are produced in the adrenal cortex of vertebrates, as well as the synthetic analogues of these hormones.
The light stands at the entrance to Botany Bay. The light was required so north-bound shipping could hug the coast and avoid the strong southerly currents further out to sea. The lighthouse is on the southern side of the entrance to Botany Bay and is about 45 minutes south of Sydney. Page last updated:
A lighthouse is s building that was made to guide ships. The most important part of a lighthouse is the light that it casts at night. Almost everything else at the lighthouse is designed to help keep the light as bright and visible as possible. Sometimes lighthouses guide ships to a port or harbor. Other times they guide ships away from a hazard.