What is the default shape of a text box? an oval a circle a square a rectangle

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

Scientists have changed the model of the atom as they have gathered new evidence. one of the atomic models is shown below. what experimental evidence led to the development of this atomic model from the one before it? a few of the positive particles aimed at a gold foil seemed to bounce back. the colors of light emitted from heated atoms had very specific energies. experiments with water vapor showed that elements combine in specific proportions. cathode rays were bent in the same way whenever a magnet was brought near them.

In contrast to data in a database data in a data warehouse is described as subject oriented