Answer:
9/16...1-7/16=9/16 giving the remaining fraction
Pulmonary circulation only occurs between the heart and the lungs. ... Systemic circulation occurs between the heart and the entire body.
Answer:
Environment
Explanation:
In a research study, internal validity refers to how well an experiment was carried out and to what extent the piece of evidence supports a claim.
The lesser the chance of confounding in a study the higher the internal validity.
Study of memory is possible through learning the electrical activity created by neurons.
Therefore, thunderstorm will affect the readings hence it is an Environmental threat to the internal validity.
D Time wasting by a player