I believe <em><u>B.</u></em><em>)</em><em><u> The hormone cortisol suppresses the immune system and is produced when the body is under stress.</u></em><em> </em>is your answer.
They both have magnitude.
The difference is that velocity has direction. You have to specify which way you are going with velocity. Speed is without direction. It only has an amount associated with it.
The following are the four goals of medicine outlined by the Hasting's Center: (Hanson and Callahan, 1999)
"1. prevention of disease and injury and promotion and maintenance of health;
2. relief of pain and suffering caused by ill health;
3. care and cure of those suffering from a malady and care of those who cannot be cured;
4. avoidance of premature death and pursuit of a peaceful death."
Source: Health Care Policy in an Age of New Technologies (2002) by Kant Patel and Mark E. Rushefsky.
Possibly to add more surface area......................
The right answer is The texture.
In petrography, the texture (sometimes called structure) of a rock characterizes the arrangement of the crystals between them at the scale of the sample, the thin slice or even on a finer scale.
Texture is a characteristic determined by the size, shape and disposition of minerals in a rock that is observed at the microscopic scale. It allows to build the relationship between these characteristics and the conditions of formation of a rock (especially in the case of magmatic rocks, the rate of cooling).
