D. It provides information about the subject of an experiment.
Background research is research prior to conducting an experiment.
Explanation:
Background research is important so as to fully understand the variables that are being controlled and tested in an experiment, and their relationships that will give insights into how to design the experiment. The background research is also important in identifying the research problem setting up of a good hypothesis.Background research also reduces the rate of failure of an experiment due to proper preparation.
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A.)Well–developed vascular system
Vascular plants help maintain the water cycle. The property of these plants
enables them to carry out this function is their well-developed vascular system.
These type of plants are more evolved and developed than nonvascular plants
because of its specialized characteristics like xylem, which is a tissue that
is responsible for its framework and not only that, it is also has a greater mechanism
for water transference. Another is phloem, which is responsible for food
conduction.
Yong would have to know physical science because your messaging the human body which is physically speaking is touch.
I would use a Transmission Electron Microscope.
