If the atomic number of an element is 8 and its mass number is 19, how many neutrons are in the atom's nucleus?

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

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.