6. Which one of the following is used in surfacing of tar roads?
O (a) LPG
O (b) Paraffin
O (c) Diesel
O (d) Asphalt​

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

Which nucleotide component contains nitrogen