The determinant is a real number, it is not a matrix. The determinant can be a negative number. It is not associated with absolute value at all except that they both use vertical lines. The determinant only exists for square matrices (2Ã2, 3Ã3, ...
Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest. Phytoplankton, also known as single-celled plants, grow in water-bodies and are similar to terrestrial plants in many ways. Since they require sunlight for photosynthesis, these plants usually grow on the surface of water, in the photic zone, where sunlight can penetrate. These plants also require other nutrients such as nitrate, magnesium, zinc, etc to grow.
Phytoplankton blooms in the continental shelf on the coast of Texas and Louisiana. (Photo credit: Jeff Schmaltz | NASA Earth Observatory MODIS Rapid Response Team via Flickr / Creative Commons) Scientists are estimating that there will once again be a large âdead zoneâ in the northern Gulf of Mexico this summer. Dr. Nancy Rabalais, executive director of Louisiana Universityâs Marine Consortium, is co-author of a new paper estimating the size of this area of low oxygen.