<span> aluminum is an element. All elements are pure substances, so that means they are homogenous.
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Question A is more testable through a scientific experiment because you have a specific thing you are trying to find out, "which gelatin takes longer to set".
Answer:
it's A
Explanation:
product being used by everyone
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Answer: The following information should be included;
What is the difference between the greenhouse effect, climate change and global warming?
What proof do we have that climate change is happening?
Why is it happening?
Answer:
C. product costs and expensed when the goods are sold
Explanation:
