What is technology?
o a. the ability to perform a task in a short period of time using little to no energy
ob. the ability to perform a task using a full range of motion in a short period of time
oc. the production of new machines as a result of processes using science and knowledge
od. the interaction among people, companies, and governments of different nations
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Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

Diamond will scratch quartz. true or false

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents