Brian is interested in plants. He notices that most plants always grow in an upward direction, which is against gravity. He conducts an experiment to check whether his observation is correct. Arrange the steps of the experiment in order according to the scientific method.

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever

powerful computers now, not then