A car company is testing a new type of tire. They want to determine the stopping distance if the car has anti-lock brakes or not. They test out tires on five randomly selected cars from the lot. They want to know if the stopping distance is significantly different under the two conditions. What is the factor? group of answer choices five cars stopping distance presence of anti-lock brakes.

Ben is interested in using a source that provides original research, current and developing trends and experts within specific fields. which source should he use?

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.

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