As a rule of thumb, in order to improve the reliability and accuracy of an experiment, it is best if the experiment is repeated several times. The increased number of trials ensures that the readings observed have minimal random error.
Answer:
Chronic obstructive pulmonary disease
Explanation:
I'm not 100% sure of what you're asking here but the main term for COPD is Chronic obstructive pulmonary disease. COPD is a long-term lung disease, which makes breathing especially difficult. I hope this helps:)
signals is the answer for sure
A student looking through a light microscope saw this cell in cytokinesis. This cell is most likely from a plant.
The answer is B, since the population has no genetic variation it will be classified as an artificial selection not a natural selection.
