Which part of the respiratory system is correctly paired with its function? alveoli contract and relax to fill and empty the lungs. the voice box warms incoming air that enters the throat. goblet cells produce white blood cells to destroy pathogens. the epiglottis prevents food from entering the larynx.

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? 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.

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."