Which sequence lists structures in order from the least complex to the most complex?A. Chloroplast, leaf, plant cell, rosebushB. Rosebush, leaf, plant cell, chloroplastC. Chloroplast, plant cell, leaf, rosebushD. Plant cell, leaf, chloroplast, rosebush

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

If a solution had a ph of 7 what is the solution