| Answer | Crossword Clue |
|---|---|
| legless | branch or part of an object or system |
| weights | A unit or system of units used for expressing how much an object or quantity of matter weighs |
| perturbations | A deviation of a system, moving object, or process from its regular or normal state of path, caused by an outside influence |
| perturbation | A deviation of a system, moving object, or process from its regular or normal state of path, caused by an outside influence |
| piggybacking | Mount on or attach to (an existing object or system) |
| piggybacked | Mount on or attach to (an existing object or system) |
| perturbing | Subject (a system, moving object, or process) to an influence tending to alter its normal or regular state or path |
