This statement is false. If a factor is controlled and set to three levels, then it is clearly of interest to the researcher.
(Verified to be the correct answer through answering this question on my Statistics homework)
We couldn't be where we are without microscopes and other technology. We couldn't study almost anything we know without these modern inventions.
Answer:
a change to precipitation
C.
<span>plant moving toward light to increase photosynthesis
</span><span>Adaptations are the result of evolution in different living organisms. This process occurs amazingly through gene mutation but it takes a very long period in time. Adaptation processes occur to help species survive and thrive in the ecological balance of life. Structural adaptations are physical features of an organism that adapted through time. An example of this are the bills of a bird and the fur of bears that they generally need for their survival; birds for hunting, and bears to protect them from low climate areas.</span>