Actually both a) and b) are correct.
About A): the two groups should be identical (but not the same, i.e. have the same attributes), only the treatment of them - the independent variable should be different.
But the one option to choose is b: The control group is identical to each test group except for one variable. This is the independent variable.
An interest group is a group of people that seek to influence public policy based on a particular opinion or concern. Based off that I believe that they are a communities voice in which try to help those around them. You might find these types of people serving social justice in your local scene.
If this helps you in any way please give me brainliest.
Venezuela is number 2 on the map :)
Answer: A tax on sugar, molasses, coffee, and many other products they imported from England.
Explanation: I think
Given :
The temperature of Pokhara lying at an altitude of 900 m is 20 degree Celsius.
To Find :
The temperature of MT Everest base camp lying at an altitude of 6000 m.
Solution :
Let, temperature at 6000 m height of MT Everest is T.
So, by proportionality constant :

Therefore, the temperature of MT Everest base camp lying at an altitude of 6000 m is 3°C .