Which of the following is found in both an animal cell and a plant cell? 1. lysosome 2. cell membrane 3. chloroplast 4. cell wall

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

Several billion years ago which gas was the least prevailant in the atmosphere

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?