The earth is composed of multiple layers, which can be defined either by composition or by mechanical properties. This layer is key to plate movement. It is a solid but flows like a very viscous fluid. It is the.

Abacterium was found to contain a sequence of atcgggatcct in its genome. a few generations later, the sequence was found to be atcatcct. what type of mutation caused this change in the bacteria? a. duplication b. insertion c. inversion d. translocation