Animals can be classified into two main groups:vertebrates and invertebrates<span>. The main difference between </span>vertebrates and invertebrates<span> is that</span>invertebrates<span>, like insects and flatworms, </span>do<span> not</span>have<span> a backbone or a spinal column. Examples of</span>vertebrates<span> include humans, birds, and snakes. hope this helped</span>
Work is done on an object only if the force and displacement are in the same direction.
I am so sorry but I don’t know the answer, I just needed the points to ask a question myself
There are 12 full moons a year
