Answer:
Water has equal H+ and OH- ions, making its pH 7, which is considered a neutral pH.
Air pressure is caused by the air molecules around us. Air particles are always in random and continuos motion, bombarding each other in random direction. As air particles collide they create pressure.
Answer:
d metals
Explanation:
im pretty sure, but if not it is b
Answer:
Structures that are still present but currently serve little to no purpose
Explanation:
<em>Vestigial structures/organs are general defined as structures/organs that are present but poorly developed without any functional use in the present living organisms but thought to have been fully developed and functional in their ancestors.</em>
Fully developed and functional organs gradually become less developed and non-functional across generations as the environment keeps changing and organisms found lesser use for the organs. An example includes the <u>caudal vertebrae</u> found in man which is kind of useless but thought to have been fully developed and functional in the ancestors of man - the monkeys.
<u>Vestigial organs are often used as one of the morphological evidence of the evolution of living organisms.</u>
Answer:
Diagnosistic use
Explanation:
When a person goes to the hospital displaying signs and symptoms of a disease. The doctor will have to make a diagnosis.
Diagnosis is made to determine or explain which disease or condition is causing the symptoms.
Drugs that are used during radiological procedures and other medical tests will be used of Diagnostic purpose to show evidence of a disease.
From the results of the Diagnostic tests a conclusion came be made.
Therefore, they were for Diagnosistic use.
