Hematocrit is the percentage of red blood cells in the blood. in adult humans, hematocrit is roughly 40-45%, but it can be much higher or lower in other animals. consider the weddell seal, a mammal that can dive and hold its breath underwater for upwards of 80 minutes. what is the hematocrit level of a weddell seal, and why

How does friction with the atmosphere affect the speed of an artificial satellite

What are the two main phases of a cell cycle

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.