The human immune system defence the body from pathogens which of the following are parts of the human immune system? a. skin, lymph nodes, white blood cells, and spleen b. mucous, urine, and kidneys c. skin, neurons , muscle cells and pancreas d. white blood cells and red blood cells

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement