what is the total number of d and f orbitals present in the n = 4 shell of an atom? enter your answer as a whole number.

Give an example of the type and scale of economic activity for a traditional economy.

Which of the following best describes the difference between “autobiography” and “memoir”? a. autobiography is written about the author's own interpretation of events; memoir is a written interpretation of events. b. memoir covers a particular time in the writer’s life or recounts life events around one or two themes; autobiography covers the entire story of the author's life and has multiple themes. c. autobiography covers the entire story of the writer's life and has multiple themes; memoir is a shorter written work with one theme. d. autobiography covers entire story of the writer's life and has multiple themes; memoir is the writer’s random memories about past experiences.

Tissues that carry food water and nutrients throughout the plant