Janet's science teacher assigns Janet and her classmates the task of conducting an investigation that shows how the mass of an object affects its speed. They are provided
with a small cart and objects with different masses that they can put inside the cart.
Which investigation design would be the best choice for the assignment?

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

How do living things obtain phosphorus

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting