It would be Primary because the lake is it’s starting point and the pollution grew all the way to the factory.
Answer:
Ask a question
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test your hypothesis
make an observation
analyze results and draw a conclusion
present the findings
Answer:
organisms that can't make their own food are known as heterotrophs
Answer:
B. They all have the same genes but some have hair and some don't
Explanation:
Type I genes tend to be involved in immune response or sensory receptors while type III genes are involved in cell to cell signalling and type II genes are a complex mix of all three types.
