In supersonic flights, molecules break apart and react chemically. Which of
the following safety features protects the plane?
O
A. A heat shield
O B. A more aerodynamic design
O C. An extra oxygen tank
O
D. An extra engine for additional thrust

thats a heat shield boss.. thank me later

Explanation:

im a g

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? ?