Answer: Time is the independent variable, and the number of birds is the dependent variable.
Explanation: The independent variable is a variable that's variation doesn't depend on that of another (it's independent!); or in simpler words, it's the variable that is being changed but is not being measured. It is also often denoted by x. The dependent variable is a variable that's values does depend on that of another (it's 'dependent')-- or it's basically the variable that's be measured. Hope this helps! :)
Answer: This experiment has two factors.
Explanation:
This experiment has two factors in it. These two factors are: One is normal/ vegetarian diet and other is unrestricted /restricted salt diet.
The condition that is kept in the experiment are kept varying and the results are recorded in order to check whether vegetarians can lower blood pressure by their diet or not.
So, here in the experiment there are two factors on which the experiment is based on.
Love free stay clean and always be livky
I think C because if something happens you might drown and no one to help you. but that's just a guess