Answer:
The immune, lymphatic, and circulatory systems work together in protecting the body.
RNA has great capability as a genetic molecule; it once had to carry on hereditary processes on its own. It now seems certain that RNA was the first molecule of heredity, so it evolved all the essential methods for storing and expressing genetic information before DNA came onto the scene.
Answer:
The use of rocks and minerals includes building material, cosmetics, cars, roads, and appliances.
Explanation:
Answer:Each of us has the power, through our own choices and actions, to save American lives and rescue the most vulnerable among us.
That’s why we really have to do what we all know is right. Every citizen is being called upon to make sacrifices. Every business is being asked to fulfill its patriotic duty. Every community is making fundamental changes to how we live, work, and interact each and every day, and I wouldn’t be surprised to see this going on long into the future, when this virus is gone and defeated. Some of the things we’re doing now will be very good practice for the future, including for not getting the flu, which is very devastating also. So some of what we’re learning now will live on into the future — I really believe that: shaking hands or not shaking hands; washing hands all the time; staying a little apart.
Explanation:...
