True. A ladybug is a invertebrate.
Answer:
1. x-rays
2. wavelength
3. (not sure thought it was wave frequency)
4. longitudinal
They're trying to find out if the toys are not an excessive incentive
Perhaps the most famous invention that changed the countryside during the industrial revolution was the cotton gin. the cotton gin allowed allowed for seeds to be separated from cotton fibers, a process that was extremely laborious when done by hand.
i’m not sure if this is what you wanted but hope this helps!!