Answer:
Most polymers, including poly(ethene) and poly(propene) are not biodegradable . This means that microorganisms cannot break them down, so they: cause a litter problem if disposed of carelessly. last for many years in landfill sites.
Answer:
The factor that is tested is called the variable.
The variable is also what is changed in an experiment.
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Answer:
The populations are isolated and thus do not interbreed.
Explanation:
Answer:
Driver
Explanation:
You can't tell if the car is moving by looking at the driver as they are in the car with you
Answer:
it captures the sun's energy