natural science(noun) the sciences involved in the study of the physical world and its phenomena. natural science(Noun) A science involved in studying phenomena or laws of the physical world; a general term of physics, chemistry, biology, astronomy, and so on. Natural science. The natural sciences are those branches of science that seek to elucidate the rules that govern the natural world through scientific methods.
Local number portability (LNP) lets you change your phone company that provides you with your local calls without changing your telephone number(s).Taking your telephone number to another phone company is known as 'porting'.ocal number portability (LNP) lets you change your phone company that provides you with your local calls without changing your telephone number(s).
Port Number Used By; 21: FTP port. This port is required when creating a WebSphere Commerce or WebSphere Commerce Payments instance that uses a remote Web server. 80: Web server default nonsecure port. 389: Lightweight Directory Access Protocol (LDAP) directory server. 443: Web server default secure port. This port requires SSL. 636