Which of the following have been determined as the oldest living tree types on earth? select all that apply.
bristlecone pine
mesquite
sequoia
ponderosa pine

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

answerca air mass;