Answer:
if you write down what it says i can help you
Explanation:
Mali was influenced by other parts of the world by trade.
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.
You should state more detail so we can help you
Answer:
drink and drive, 21 and over to drink, 21 and over to smoke, don´t disturb people who don´t want to be disturb.
Explanation:
