Which of these pairs would form an ionic bond?

A. K and Br
B. C and H
C. H and O
D. Cu and Cu

Blood, made up of red and white blood cells, work together to form

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Describe the function of the endomembrane system? what organelles are involved?