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OleMash [197]
3 years ago
15

What is the species introduced into ecosystems, intentionally or unintentionally, and usually by humans? some can take over - pe

rhaps destroying - entire ecosystems. the lionfish is one example?
Biology
1 answer:
cupoosta [38]3 years ago
3 0

These are called invasive species (like the Giant African Snails in Galapagos for example.)

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At the coordinates 45 degrees W & 72 degrees N it is 9:32 AM. What time is it at the coordinates 75 degrees W & 45 degre
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Answer:

The correct option is;

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Explanation:

The information given are;

The time at 45 degrees W and 72 degrees N = 9:32 AM

The variation of time with lines of longitude  is given as 15 degrees for each 1 hour variation, therefore, where we have the other location at 75 degrees W and 45 degrees S, the difference in the longitude = 75 - 45 = 30 degrees west  of the initial location

Moving west is in the opposite direction of the Earths rotation, therefore, we subtract 1 hour for every 15 degrees giving 30/15 = 2 hours subtracted

The time at 75 degrees W and 45 degrees S is therefore, 9:32 AM - 2 hour = 7.32 AM

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Explanation:

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