here's your answer.. Option (C): the sun
Answer: No they can’t
Explanation:
An ecosystem is the lowest level of environmental complexity that includes living (biotic factors)and nonliving factors (abiotic factors).
Science refers to the construction of knowledge by using the scientific method. This method is based on empirical evidence.
Science can be defined as the construction of knowledge (scientific knowledge) by using the scientific method.
The scientific method includes several sequential steps:
- Observation
- Ask questions
- Form a testable explanation (hypothesis)
- Test the hypothesis
- Collect results (empirical evidence)
- Draw conclusions
In the scientific method, empirical evidence can be used to support the working hypothesis.
Learn more about the scientific method here:
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Essential amino acids are those amino acids which are not synthesized by our body. They are supplied through the food we eat. If a person is not getting the required essential amino acids in the body, it will affect both physical and mental health. In the absence of essential amino acid body breaks down muscle tissue to get the required amino acid, therefore muscle wasting is the first symptom of the deficiency of essential amino acids. Low level of essential amino acid may cause high anxiety.
An electronic pulse oximeter, which can be clipped on the bridge of the nose, forehead, on the earlobe, or to the tip of finger, determines the oxygen concentration in arterial blood. Hemoglobin is the protein complex in blood that is responsible for carrying oxygen around the body. The pulse oximeter actually measures the concentration of hemoglobin in the blood and determines oxygen concentration from this value.
