C. Fish ladders are quite successful in letting fish swim upstream to spawn.
Explanation:
Construction of fish ladders which are letting fish to swim upstream to spawn is not an impact caused by dams.
Dams are structures that helps to control the flow of water. They store water for other commercial uses.
These structures have immense impact on the surround around and fresh water ecosystem.
- Fish ladders are water ways that allows the movement of fish.
- They are also known as fish ways.
- Construction of fish ladders is not an impact of water damming.
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Hello There! ^_^
Your question: Which of the following is not evidence of sea-floor spreading..?
Your answer: The distribution of ice sheets across the planet is not an evidence of sea-floor spreading.
The answer is option C.
Happy Studying!
The answer is D
i think that it is white hope this helps
Answer:
We know that sin(x) = cos(90°-x). In that sense, we know that:
sin(25°) = cos(90°-25°) = cos(65°)
If you put both values in a calculator, we get that:
sin(25°) = 0.4226
cos(65°) = 0.4226
Therefore: Sin 25° = Cos 65°
Options A and D are true. The other two options are absurd and not even based on fact while A & D are true concerning this part of Africa at that time.