<span>Long term memory
Memories in human beings can be either sensory, short term or long term depending upon their retention in brain. For Helen's knowledge of calculus and statistics, a number of concepts and data has to be associated with the memory, which all need long term retention.</span>
We only know about extinct groups like dinosaurs, ammonites and trilobites through fossils. Some animals and plant are only known to us as fossils. By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other.
Answer:
United must prove that copyright is valid to establish infringements.
Explanation:
Copyrights are norms established by law to protect the relationship between the creator and the use of his creations, be they artistic, literary or scientific creations, such as texts, books, paintings, music, illustrations, photographs, etc. With the use of copyright the creator of something can prevent the use of its creation as long as it proves that it is the copyright holder of that creation. Based on this, we can conclude that United must prove that copyright is valid to establish infringements.
