Answer:
The pitch is the independent variable.
The dogs are the dependent variable.
Explanation:
An independent variable is something that you can control such as how high or low the pitch is. The dependent variable is the variable that is dependent on the independent variable. The dependent variable is the one that shows the results.
Answer:
frequency✧C
wavelength✧A
wave speed✧D
wave period✧E
amplitude✧B
i'm not sure if they are all correct so sorry ✧
They either frow on other organisms and get there food or they eat it feom a dead animal
Yogurt can stay good after 2 hrs of being in room temperature.
Answer:
adding a catalyst
Explanation:
catalysts accelerate the speed of chemical reactions
