Which of the following best describes how the spinal cord and the brain work together? A
Messages travel to and from the brain to other parts of the body through the spinal cord.

B
The spinal cord controls the body’s movement, and the brain controls coordination.

C
The spinal cord sends messages to the brain, telling it what functions to perform.

D
The spinal cord is a bone in the back that supports your skull, which houses the brain.

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Imagine you are riding on a yacht in the ocean and traveling at 20 mph. you then hit a golf ball at 100 mph from the deck of the yacht. you see the ball move away from you at 100mph, while a person standing on a near by beach would observe your golf ball traveling at 120 mph (20 mph + 100 mph). now imagine you are aboard the hermes spacecraft traveling at 0.1c (1/10 the speed of light) past mars and shine a laser from the front of the ship. you would see the light traveling at c (the speed of light) away from your ship. according to einstein’s special relativity, how fast will a person on mars observe the light to be traveling? a) 0.1c (1/10 the speed of light) b) c (the speed of light) c)1.1c (c+0.1c)