<span>I'm not entirely clear on the meaning of your question, but if you meant state of matter, then temperature is what changes them into the different states of matter, for example, to turn water from a liquid into ice which is a solid, you lower the temperature and it freezes into ice. to turn water into a gas, you raise the temperature so it boils into a gas.</span>
Answer: It's an EXPERIMENT
Explanation: Experiment is done when we apply anything to a samples or conditions in other to study another sample or conditions.
Observation is done when, we study samples or conditions in it's natural way, without application of anything that may alter it's result.
Because the researcher has applied fertilizer to one side and did not apply to the other side, that means he has performed an experiment. Since he wasn't observing the two sample in it's natural way without any external application.
The options are not given in the question, I found the exercise and here are the options:
Frogs, Rocks, Humans and Flies.Aristotle’s
main work on this was classification of animals, the Scala Naturae or Ladder of Nature, which was not
evolutionary in its structure. It included everything from God to
minerals etc. The mentioned objects will be in the following order according to
the ladder of Nature:
<span>Lowest on the ladder: Rocks,</span>
<span>
<span>Lower: Frogs</span>
<span>Lower still: Flies</span>
<span>Highest on the ladder: Humans</span></span>
Answer: The Rocky Mountains took shape during a period of intense plate tectonic activity that formed much of the rugged landscape of the western United States. ... Slivers of continental crust, carried along by subducting ocean plates, were swept into the subduction zone and scraped onto North America's edge.
hope it helped
bye
Explanation:
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