True, reddish-yellowish color on pH paper shows acidity
The first one is d, the second is c.
Answer:
The main action of biceps femoris is the knee flexion and hip extension.
Explanation:
Biceps femoris muscle is a thigh muscle present in the posterior part of the body. This muscle has two heads of origin.
Biceps femoris is involved in the knee flexion. The kknee flexion decreses the angle between the femur and tibia. Biceps femoris is also involved in the hip extension. The hip joints are open during hip extension.
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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