Answer:
Answer is A. Red due to ionized hydrogen atoms.
Explanation:
Note that nebula color depends on its chemical composition and its degree of ionization. Because of the prevalence of hydrogen and relative low of ionization energy, its emission appears red.
Flagellum. This is the only thing I could come up with because you did not provide an image.
Answer:
The correct answer is B
Explanation:
Platelet: "a small colorless disk-shaped cell fragment without a nucleus, found in large numbers in blood and involved in clotting."
Hope this helps! （づ￣3￣）づ╭❤～
Because gas particles are very far from each other so the amount of space between them can easily change therefore doesn’t have a fixed shape and since the particles are always in motion and try to fill there container gas doesn’t have a fixed volume either
