Answer:
19,700
Explanation:
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In the past two decades, the number of teenage pregnancies has dropped dramatically across all ethnic groups.
<h3>Why has
teenage pregnancies has dropped dramatically across all ethnic groups?</h3>
The teenage pregnancies has dropped dramatically across all ethnic groups because of the education , there are alot of parents that are now educated to educate their children about danger of teenage pregnancies.
Also, there has been increased in protective measure by the government to reduce teenage pregnancies, hence, In the past two decades, the number of teenage pregnancies has dropped dramatically across all ethnic groups.
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An invasive species is a species that is not native to a given ecosystem. These species have a negative impact on the new environment.
- It is well known that invasive species NEGATIVELY impact native species by establishing new ecological interrelationships (e.g., predation and competition).
- Moreover, invasive species may also cause great economic harm to the affected regions where these species are established.
- Human activity is the main cause associated with the introduction of invasive species into new geographical regions.
- In consequence, the statement that is NOT true about the impact of an invasive species on an ecosystem is it can stabilize the populations of native species.
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