Answer:
What happened for this snake to become extinct was the development of human activities that damaged the habitat where this snake lives, which caused the death of several members of this species.
Explanation:
South Florida rainbow snake lived in aquatic environments, where they spent most of the time submerged in water, hidden among water plants and even among the roots of trees that come into contact with water. However, the advance of human activities, caused pollution of aquatic environments, stimulated the occurrence of droughts, created dams, among other activities that destroyed the habitat of these snakes, preventing them from having access to shelter, food and being visible to predators. This caused these snakes to die on a large scale, coming close to being extinct.
every chemical element has a characteristic spectrum
'A Quilt of a Country' is a commentary by Anna Quindlen for ''Newsweek'' on the
diversity of America, and according to that Americans have grudging fairness.
<span>Most Americans draw the
conclusion from “grudging fairness” that Modern immigrants or today’s
immigrants are similar to earlier or past American and also that Americans are
the hardest working people on earth</span>
Answer:
D. A sample in which the subjects themselves decide whether to be included in the study.
Explanation:
Voluntary response sample: This is a sample made up of volunteers. These samples are mostly biased. For example, a person being called in a radio show poll might have powerful opinions over a topic in any direction. In a voluntary random sample, chooses themselves by answering a common appeal. These samples are unreliable because they are bias, hence the result is usually biased.
Answer:
A
Explanation:
Heating a substance makes its atoms and molecules move faster. This happens whether the substance is a solid, a liquid, or a gas. It’s not easy to see it happen in a solid but let’s try it for a liquid and a gas. See if you can tell that heat makes molecules move!
