The correct answer should be <span>b. cattle on rangeland
Point source pollution contributors are any pollution contributors that can be pinpointed to a single location, and dispersed cattle on a rangeland is not it. A a paper mill or a feed lot or a slaughter house can easily be pinpointed.</span>
Answer:
b) is false coal is usually found in solid state.
Explanation:
B. They Assist With Movement
Answer: mutualism
Mutualism is a symbiotic relationship, between two organisms, living in close association with each other. In this relationship both the organisms gains benefit. Both organisms are dependent on each other for competing their life cycle.
The given situation is an example of mutualism because both the species are benefited for the relationship. Birds receive food from strawberries in turn birds disperse the seeds of strawberry to promote growth of more strawberry plants. Both organisms are interdependent on each other.
Answer: D
They can only change one variable at a time, either water or light, not both. They could test the response to water first and follow that with an experiment for the plant's response to light. They cannot test for both at the same time.