Which statement describes a newton?

it exists only for objects on earth.
it measures the mass of an object.
it reflects the amount of force an object exerts.
it states that every object attracts another object.

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.

Observations show that interstellar clouds can have almost any shape and