A. They impede fish migration and spawning
Answer:
Whale shark
Explanation:
The world's largest fish is the whale shark, which can grow to 40 feet long and weigh an average of 20 tons. The sharks are carnivorous, but they aren't likely to take a nibble out of an unwary surfer – they filter plankton through their enormous mouths while swimming at the surface
Answer:
The correct answer is - qualitative data.
Explanation:
Qualitative data are the consequence of arranging or explaining traits of a object, population or other things. qualitative data are additionally often called as categorical data.
Example of qualitative data is color of water, blood type, ethnic gathering, the vehicle an individual drives, and the road an individual lives on are instances of qualitative(categorical) information.
Thus, the correct answer is - qualitative data.