According to Rowling, Draco cannot produce a patronus.
within 15 working daysA written Notice of Intent to Contest must be filed with the OSHA area director within 15 working days after the employer receives the citation. The filing of an employee contest does not suspend the employer's obligation to abate. Employees also have the right to object to a PMA.
An Empress is the evolved form of a Queen Alien and one of the three known types of Xenomorph Monarch. A rarer type, Empresses are superior to Queen aliens, often ruling over several Queens and their respective hives. They themselves only bow to the Hive Mother, supreme rulers of all the Xenomorph species.