Answer:
Please explain it in English so that i can help or you need someone else who can speak Vietnam
Answer:
See the attached picture for answer.
Explanation:
See the attached picture for explanation.
Answer:
a. population, units, sample
Explanation:
In a survey or in a research, population is defined as the total number of people or total number of items in the group that we want to study in a research. It is the entire pool from where a sample is drawn.
An unit is defined as the individual members for which the information or data is collected.
A sample is defined is defined as the group or part of the selection from where the information or data is to be obtained.
Answer:
Their feathers are light and the shape of their wings is perfect for catching the air. Their lungs are great at getting oxygen and very efficient, so they can fly for very long distances without getting tired. They eat lots of high-energy food.
