4. Elements that lie along the stair step line of the periodic table are

a. metals

c. liquids

b. metalloids

d. radioactive

Which is a concern about mining for uranium? -Heated water could be released into the environment. -Dust released in the air could be radioactive. -Supplies could become low during a drought.

How does the width of the visible spectrum compared to that of the entire electromagnetic spectrum?

The longer coffee sits on a desk, the cooler it becomes. True or False? The length of time on the desk is a function of the temperature of the coffee. A. True B. False

What is the most important source of energy that our body craves more than any other?

A force of 73.8 newtons is applied to travel bag at an angle 39.0° with the horizontal. What are the horizontal and vertical components of the force?

justin pushes basket of toys with 50N of force for 3 meters in 100 seconds. how much work did he do on the basket

In general, what can be said about metals.

If the moon did not have an atmosphere what would happen to it

Density is calculated by: dividing volume by mass dividing mass by volume multiplying mass and volume multiplying mass and gravity

The Burj Khalifa in Dubai is the tallest building in the world at about 828 m. A daredevil climbs to the top of the building and sees the the Boulevard Plaza 2 (141 m tall) about 300 m away.