In an experimental investigation, the variable that the researcher changes or manipulates in order to see its effects is called the?

How did the europeans design the national borders of africa? why?

Click the item in the left column. use the plus sign to move it up or the minus sign to move it down until it matches the correct entry in the right column. lock your answer in place by clicking the square beside the item. (a checkmark means it is locked.) amazon basin a atacama desert b andes mountains c lake titicaca d peru e patagonia f brazil g chile h suriname

Find a formal factor that connects egypt to africa to europe and to southwest asia