Answer:
This is a vertical line. The x value does not change
m = (y2-y1)/(x2-x2)
the denominator is 0
which gives us undefined
Choice A
The black widow spider is an invertebrate. Its skeleton system hangs outside its body. The only difference between a vertebrate and invertebrate is the presence of backbone or a similar kind of structure with in the body. In case of black widow spider, the internal structural element is missing. Its skeleton system can be classified as exoskeleton.
Answer:
Animals without backbones are called invertebrate. Worms do not have backbones.
Explanation:
This is the answer. Hope it helps you out.
True. It's to my knowledge that gas has no smell, so they add this stinky stuff so it can be detected.