A group of students completed a simple experimental Investigation. They investigated how the length of the string affects a pendulum's swing. Which of the following is the Independent variable in their experiment? F. Same angle of release G Frequency of the swing HONumber of washers J Length of string

A,) cause a & b are equal & both gives 180°

Answergovernment control over all imports and exports;

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

2pi more meters because you find the circumference which is 6pi and 4pi and subtract it and you get 2pi