Answer:
Plants, algae (including phytoplankton), and many microorganisms use the energy from light to make sugars (food) from carbon dioxide from the atmosphere and water through the process of photosynthesis, which also releases oxygen. Sugars produced by plants can be used immediately or stored for growth or later use.
Explanation:
Answer:
operational definition
Explanation:
Operational Definition: This is a term used to describe the course of action of the research variables and the study. In this experiment, laugh can be defined operationally as a smile with a sound. Because of this operational definition, the psychologists can replicate the research or the experiment. The operational definition, when used to collect data, consists of a clear, and detailed definition of a measure.
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Answer:
The scientific method is the process in which, ideas in form of hypotheses, are tested against the real world through evidence which is obtained from observation of phenomena.
Explanation:
The scientific method is self correcting in the sense that, it involves coming up with an idea, then making an hypothesis, then making the observation which shall be tested against the idea. Further there is experimentation to confirm the validity of the hypothesis.
All of the above are testing mechanisms, that scientist use to provoke their idea with the real world facts, in the process, the idea might prove wrong and thereby shall have self corrected.
Scientific knowledge is cynical in the sense that, at each stage, we expect to prove the hypotheses wrong.
Uh he went to the village and discovered he had a mother and a aunt