Answer:
EndNote. This is a multifunctional tool to help you better organise your research, and it is recommended by universities such as Texas A&M University. ...
Todoist. Do you often get distracted while researching online? ...
RefWorks. ...
DeepDyve. ...
Internet Public Library. ...
Project Gutenberg. ...
Conclusion.
Explanation:
A or b not really sure who would know that not to many people would know
Answer:
essential
Explanation: Amino acids are organic compounds composed of nitrogen, carbon, hydrogen and oxygen, along with a variable side chain group. Your body needs 20 different amino acids to grow and function properly. Though all 20 of these are important for your health, only nine amino acids are classified as essential