Which best describes the nucleus of an atom?
O A. It is made of neutrons and electrons.
B. It is the negatively charged part of the atom.
C. It is the most massive part of the atom.
O D. It contains no mass.

The number of living organisms in a particular area is

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 of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat