Am i adopted? and why​

Which of the following best describes the formation of plasma?

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li