The statement 'Exploring the relationship between the material in a rock sample and its hardness' correctly describes an experimental investigation (Option C).
<h3>What is an experimental investigation?</h3>
An experimental investigation is defined as a procedure used in the scientific method to test an explanation or hypothesis, which can be confirmed or rejected.
In conclusion, the statement 'Exploring the relationship between the material in a rock sample and its hardness' correctly describes an experimental investigation (Option C).
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Answer:
Polaris is cooler
Explanation:
Its to the left of Regulus on the HR Diagram,which means its cooler
Jessica's symptoms of endometriosis can't be alleviated as its return could be experienced.
<h3>What is Endometriosis?</h3>
This is a disorder which occurs when tissue that is similar to the tissue that lines the uterus grows outside of it.
It is characterized by pain and menstrual irregularities symptoms and is usually managed through hormone therapy as the symptoms can't be permanently alleviated.
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Cellular Respiration-
Oxygen is taken in and carbon dioxide is liberated out.
Photosynthesis-
Producing food and capturing energy.
