Are there answer choices.
Answer: The correct requirement for a black hole to form is:
C. The star must be 10 to 28 times larger than Earth’s sun, and a supernova explosion must have occurred.
Explanation: The least star that is larger than the sun is 10 times larger and a supernova explosion would have happen before a black hole to form.
If the rains fail it can cause<span> drought in addition to natural factors, the land is marginal. Human activities such as overgrazing, overcultivation and the collection of firewood can lead to desertification, particularly when combined with drought conditions. hope this helps and plz rate below :)</span>
<span>1they live in In the north of the amazon rainforest : south America.
2they eat a</span><span>nything that they can collect in the forest ... EG. animals, berry's, nuts , seeds , flowers , plants and anything that they can really find / forage for
</span><span>3The Tucano are a multilingual people because men must marry outside their language group; that is
4no man may have a wife who speaks his language, for that kind of marriage relationship is not permitted and would be viewed as a kind of incest.
</span><span> 5 the Tucano practice linguistic exogamy
</span>6<span> They are usually described as being made up of many separate tribes</span><span>, although the appellation is somewhat problematic due to the complex social and linguistic structure of the region
7</span> <span>The Tukano recognize 137 varieties of manioc
8 the tukano </span>tribe<span>, which extends into Brazil and is the largest group
9</span>They<span>'re never the </span>work<span> of committees of living individuals
10</span>The Tukano<span> are 6,000 people living in the border with Colombia and Venezuela</span>