a) No, because the researcher did not measure what he claimed to measure (the relationship between cancer and stress levels)
b) Yes, because the researcher changed his focus based on valid responses from participants
c) Yes, because the researcher did have a result in the end that showed there was some relationship between two variables.
d) No, because a relationship between variables can only be determined by an experiment
I think the best
choice for the answer is <span>"Presidents can veto an act of congress".</span><span>
<span>The system of check
and balance is based on the principle that no institution or individual may
hold the power which no one can challenge; in short one branch of a system will
limit the power of another branch which can prevent the abuse of power.</span></span>
Cellulose is the polysaccharide most commonly found in highly fibrous foods such as celery.
<h3>What is Cellulose?</h3>
Cellulose can be found in the cell walls of plant.
Most plant have a cellulose cell wall.
Cellulose is usually abundant in plant and it's made of glucose.
A polysaccharide contains many unit of monosaccharides.
Therefore, Cellulose is the polysaccharide most commonly found in highly fibrous foods such as celery.
Learn more on polysaccharide below
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Explanation:
The Chalcolithic period, or Copper Age, was an era of transition between the stone tool-using farmers of the Neolithic and the metal-obsessed civilizations of the Bronze Age. The Copper Age was really a phenomenon of the eastern Mediterranean regions, and occurred from roughly 3500 to 2300 BCE.
