Explain what cause air pressure in your own words. Why do aircraft need pressurized cabins?

Steel is made of atoms of iron and carbon. Would iron and carbon form metallic bonds? Explain your answer choice.

Which of the following is a lower body stretch, biceps curl, Arm circle, Quadriceps stretch, Trunk twist

Formed through longshore drift a. sea stack b. sandbar c. spit d. headland

Does the moon emit radiation? No, the Moon only reflects radiation. Yes, the moon has a temperature above absolute zero so it emits radiation. No, the moon has a temperature of absolute zero so it emits no radiation.

Which of the following is always a part of speed, velocity, and acceleration? time direction temperature change in speed

Ceres is a dwarf planet located in the main asteroid belt.

Which solid is the best thermal insulator A. brass b. ice C. styrofoam D. copper

When a high-mass star explodes, which of the following is left over in the center? A. Black hole B. Neutron star C. White Dwarf D. either a or b

Which object is an insulator?

Whats the difference between population density and population size?