The number of atoms in a Hexagonal Close Packed (HCP) crystal structure is

 In metallic bond the non-valence electrons and the nucleus forms the ion core and have positive charge.

 If a material is subjected to two incremental true strains namely ε1 and ε2, then the total true strain is 

The term prokaryote refers to organisms that:

Which step comes first in the scientific method?

Which one is NOT true about acids?

Here is a reasoning problem: “If today is Tuesday, then my cognition class meets this afternoon. Today is not Tuesday. Therefore, my cognition class does not meet this afternoon.” What kind of reasoning does this represent?

Patient R asks if her BMI is acceptable.  Which of the following best describes her BMI?

Patient L returns one year later to accident and emergency. They have been experiencing persistent nausea and vomiting as well as confusion. The paramedics noted a fruity smell to the patient’s breath upon examination. The patients’ blood glucose was taken on route however it is reported that the machine showed error code 3. What is error code 3 most likely to represent?

Body Mass Index (BMI) is used to determine whether somebody is at a healthy weight, using the following equation: BMI = Weight (kg)/Height(m2)   Calculate Patient R’s BMI to the nearest whole number.