Tim complains of chest pain, and he has difficulty breathing. What is Tim likely suffering from? A. choking B. heart attack C. poisoning

if it takes 3.5 hours for the hogwarts express moving at a speed of 120 mi/hr to make it from platform 9 and 3/4 to hogwarts how far apart are they?

Research indicates that an all have the same capacity for language as humans. true or false

Erosion and weathering can Both cause changes to the surface of earth which of the following happens only because of erosion and not because of weathering

Subscript 9 applies to Hydrogen C9H8O4 TRUE or FALSE

Do you think earths internal processes cause surface features on earth as large as Mount Everest

What does it mean when a plane is perpendicular to the x-axis?

If the weight of an object that is submerged in a fluid is 10 N and the buoyant force on it is 20 N, what will happen to the object?|

A switch in an electric circuit controls the flow of electrons in the circuit. True O False

What are three common forms of work in science

A boat travels north across a river at a velocity of 22 meters/second with respect to the water. The river's velocity is 2.2 meters/second to the east. What is the resultant velocity of the boat, as measured from the land?