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.

An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.

How do we determine if they are made with matter

Aggregation is the process of all of your data. a. gathering b. analyzing c. collecting d. observing