Analyze the graph below. What is the average speed of the bus?

2500 m/min

100 m/min

2000 m/min

500 m/min

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

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