Answer: Digesting food is a chemical change.
Explanation:
Chemical changes cannot be undone so digesting the food is considered a chemical change.
Answer:
carbon, hydrogen, nitrogen, and oxygen
Answer:
needs the identities and profiles of possible victims.
Explanation:
A database management system (DBMS) can be defined as a collection of software applications that typically enables computer users to create, store, modify, retrieve and manage data or informations in a database. Generally, it allows computer users to efficiently retrieve and manage their data with an appropriate level of security. Also, a data dictionary can be defined as a centralized collection of information on a specific data such as attributes, names, fields and definitions that are being used in a computer database system.
The database used for the identification of victims of earthquakes needs the identities and profiles of possible victims.
This ultimately implies that, the identities and profiles of possible or potential victims must have been collected and saved in a database prior to the natural disaster such as earthquake, tornado, wildfire, volcanic eruption etc. These database may be from a bank.
B) Primary is where there is nothing no rock or soil
The answer is D) the organ system.
