Select of these components uses an active sensor? A. Lidar B. Sonar
C. A solar cell
D. a thermostat
E. a standin gage

What type of file does a cookie place on web site visitors' computers so that web site managers can customize their sites to their visitors' preferences?

So im doing this school challenge and the teachers said whats the average text a student gets a day so i need to get about 20 in a day but dont know how can you guys 2163371293

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