Answer:
Community.
Explanation:
Community can be defined as a group of living organisms present in a particular area that show interactions with each other. For example, a forest having trees, under-growing shrubs, inhabited birds and animals, and rooted in ground (soil) that contains various fungi and bacteria represent a biological community.
Thus, the correct answer is option). community.
The two events that occur when gravity causes a nebula to collapse into itself are:
A. Nuclear fusion start.
B. A new star forms.
Explanation:
- Nebula are giant clouds of dust and gases.
- These clouds are considered as progenitors of stars and planets.
- The gravitational pull within these giant clouds result these large masses to collapse towards their centre.
- The gravitational collapse results in tremendous rise in temperature till a point where nuclear fusion begin .
- The stars are born out of such mechanism and act as a source of heat and light in universe.
That would carbon dioxide
These are the only options to pick from ?