Answer:
Sample 4.
Explanation:
Oxygen is very important for life, so this should be present.
Enzyme-containing laundry detergents will remove stains more effectively than detergents without enzymes. Stains will be removed more successfully from clothing with homemade laundry detergent than from commercial detergents.
A variable that is independent is precisely what it sounds like. It is a stand-alone variable that is unaffected by the other variables you are attempting to assess. Age, for instance, could be an independent variable. A person's age won't alter as a result of other circumstances like what they eat, how much they attend school, or how much television they watch. In actuality, when attempting to establish a link between two variables, you are attempting to determine whether the independent variable affects the dependent variables in any way.
A dependent variable is precisely what it sounds like, just like an independent variable. It is something on which other elements depend. A test score, for instance, maybe a dependent variable because it could vary based on a number of variables, including how much you studied, how much sleep you got the night before the test, and even how hungry you were.
To learn more about the dependent variable here:-
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Answer:
From areas of shallow water to areas of deeper water.
Explanation:
Answer:Guinea pigs get have of their traits from mom and half from dad. Some traits are recessive some are dominant
Diffusion -SKx is your answer. Hope this helps! ;D
