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Questions and Answers
Which of the following is true about the pH of freshwater and sea water?
Which of the following is true about the pH of freshwater and sea water?
- Freshwater and sea water have the same pH.
- Freshwater is alkaline while sea water is acidic
- Freshwater is neutral while sea water is alkaline (pH 8.5). (correct)
- Freshwater is acidic while sea water is neutral.
What is the effect of pH on the types of plants and animals in a habitat?
What is the effect of pH on the types of plants and animals in a habitat?
- Only aquatic habitats are affected by pH.
- Plants and animals can only grow in alkaline conditions.
- Some plants grow best in acidic conditions while others can only grow in alkaline conditions. (correct)
- pH has no effect on the types of plants and animals in a habitat.
Which organisms are usually absent in water with a pH less than 6?
Which organisms are usually absent in water with a pH less than 6?
- Sea turtles
- Whales
- Coral reefs
- Freshwater mollusks (correct)
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