Propane (C3H8combines with oxygen gas (O2to form carbon dioxide (CO2and water (H2O). Describe the number and type of atoms for a molecule of each substance.

Do birds exhibit mainly internal development or external development

Which of the following is a difference between a mercury barometer and an aneroid barometer? a. The mercury barometer is smaller b. The mercury barometer can provide a continuous record of pressure changes c.

After flying at an altitude of 650 meters, a helicopter starts to descend when its ground distance from the landing pad is 2 kilometers. What is the angle of depression for this part of the flight

Which is true when comparing a prescription and on over-the-counter drug

At a certain instant after jumping from the airplane A, a skydiver B is in the position shown and has reached a terminal (constant) speed vB = 52 m/s.

What is the closest planet to earth that scientist think can support life?

Which force is most directly responsible for radioactive beta decay? electromagnetic force strong interaction gravitational interactions weak interaction

Momentum is a measure of the of an object. Which term accurately completes the sentence?

2. When a potential difference of 12 V is applied to a wire 6.9 m long and 0.33 mm in diameter the result is an electric current of 2.1 A. What is the resistivity of the wire?

A certain part of a computer chip has a length of 1.5 micrometers. How many meters is this?