Answer to Question 1
TRUE
Answer to Question 2
A database application consists of forms, reports, queries, and application programs. At
first, the developers interview users and develop the requirements for the new system. During
this process, the developers analyze existing forms, reports, queries, and other user activities.
The requirements for the database are then summarized in a data model, which is a logical
representation of the structure of the data. The data model contains a description of both the data
and the relationships among the data. It is similar to a blueprint. Once the users have validated
and approved the data model, it is then transformed into a database design. After that, the design
is implemented in a database, and that database is then filled with user data.
A revised animal phylogeny based on molecular data of SSU rRNA
The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after
Determination of the number of theoretical stages
Drawings depicting mitosis in an animal cell with a diploid number of 4
A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is:
data