Witch statement accurately describes radiation

1. Oxygenated blood is necessary for proper bodily functions. If there isn't enough oxygen in a person's blood they can become light headed, disoriented, and feel extremely tired. How does the oxygen enters the blood?

A runner starts slowing down as she gets tired. At 10 seconds, she 8m/a, and slows down to 2m/a at 13 seconds. What is her acceleration.

If Joe rides south on his bicycle in a straight line for 15 min with a average speed of 12.5 Km/h, how far has he ridden?

5. On the periodic table, which families are in the first period? a

Give an example of a system whose mass is not constant. 1. A spinning top 2. A baseball flying through the air 3. A rocket launched from Earth 4. A block sliding on a frictionless inclined plane

What happens to the wavelength of a wave if you increase the frequency?

In a transverse wave, the particle motion is what to wave motion? A. perpendicular B. parallel

Which agent of weathering breaks down limestone statues?

A charged particle moves at 2.5 * 104 m/s at an angle of 25° to a magnetic field that has a field strength of 8.1 * 10-2 T. If the magnetic force is 7.5 * 10-2 N, what is the magnitude of the charge?

Earthquakes along the subduction zones near Sumatra and Chile are some of the strongest in the world.