Which type of rock is created when lava cools and hardens?
a. metamorphic
b. igneous
c. cement
d. sedimentary

i think it'll be 7,000

are you like autistic or something?

xd

d

explanation:

v=uf/(u-f)

= 5.10/(5-10) convex lens has positive focal length

=50/-5

=-10 cm (formed at other side)

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