Why, over the course of time, have more and more programming languages been developed? a. so computers could communicate in languages other than english b. so computers would have more functionality c. so computer programmers could keep their jobs d. so computers would be used only by people who understood computer languages

Let r be a robotic arm with a fixed base and seven links. the last joint of r is a prismatic joint, the other ones are revolute joints. give a set of parameters that determines a placement of r. what is the dimension of the configuration space resulting from your choice of parameters?

What part of the interface displays the external references contained in a selected cell? the status bar the review tab the scroll bar the formula bar

Which best describes the role or restriction enzymes in the analysis of edna a. to break dna into fragments that vary in size so they can be sorted and analyzed b. to amplify small amounts of dna and generate large amounts of dna for analysis c. to purify samples of dna obtained from the environment so they can be analyzed d. to sort different sizes of dna fragments into a banding pattern that can be analyzed