A chemical change creates a new substance
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Based on the variables that are used or stated on the problem, I think the independent variable in this investigation is the ph of the solution. Independent variable is a type of variable that is being manipulated in the experiment. Somehow, you are testing their effects on something. So base on the problem, the variable is being manipulated is ph of the solution.
Answer:
A: Carbon is not moving in the air
Explanation:
Hippos spend most of their time in rivers, but they come out of the water to eat grass.
<span>Both plants and animals fight pathogens is because both have an ant. </span><span>The answer is B.
P</span>athogens is <span>a bacterium, virus, or other microorganism that can cause disease.
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