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.
Answer:
3. All the species that live in a habitat.
Answer:
Vibrate faster
Explanation:When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases.
Answer:
The wound healed by a scab.
Explanation:
Cells fromed over the surface of the skin, and began to repair the wound. Resulting in the reparied wound beung a scab.
One major consequence could be of that added organism to eat another organism's food. For example: If a fox is in an environment eating mostly mice, it will have enough to survive. But if something like a snake comes along and eats all the mice, the fox will starve to death since it mostly relied on mice to live. That's just one example.