A 40-year-old male patient has crashed his motorcycle. he complains of pain to his right leg. when palpating his leg, you are assessing for:

What is thought to have caused the mass extinction at the end of the cretaceous period?

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

The image shows a group of fish. the type of social behavior shown in the image is called