Use the drop-down menus to indicate the stage of technological design in which each action would occur. Establish criteria and prepare the initial design.
Redesign and retest as necessary.
Define a need and research related information.
Build and test a prototype.

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line