What were three changes brought about by the industrial revolution?
question 1 options:
a)
only the wealthy could afford to buy items after the industrial revolution.
b)
machinery was used to produce goods in factories.
c)
production was based on new ideas in science, technology and business.
d)
goods could be made more quickly.
e)
people stopped working in teams and started working individually.

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

Which layer surrounds the center of the earth? a: crust b: core c: mantle