1 The science activity for the week challenges students to put together an
electric circuit using the items listed below.
Which of the following shows the order of the flow of energy through an electric
circuit using the objects below?
batteries
요
Electrical wires
with clips
light bulb
switch

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

i am pretty sure it is c because when people are closer together, they cannot move as freely. picture being in a mostly full elevator, for instance. the people are right next to you, and you can barely move.

because growing process had stoped after 4-5 year

3. dark matter

empty space could also be a simple vacuum