Which process produces rising air when mountains push the air upward? A. orographic lifting B. localized convective lifting C. frontal wedging D. convergence
To increase power, it is necessary to decrease the work being done and decrease the time in which the work was completed. increase the work being done or decrease the time in which the work is completed. increase the work being done and increase the time in which the work was completed. decrease the work being done and increase the time in which the work is completed. B or something else?
What law does static electricity illustrate? A.Ohm's Law B. Law of Conservation of Motion C. Law of Conservation of Energy D. Law of Conservation of Change
What do electric forces between charges depend on? A. the quantity of charge involved B. how far apart the charges are. C. both a. and b. D. none of the above
Unlike fossil fuels, biomass fuels _____. A-are not products of living things B-are renewable resources C-do not release carbon dioxide D-are buried beneath the surface
Without the skeletal system, the body could not fight off infection. Please select the best answer from the choices provided. T F
Which set of shapes contains members that are always similar to one another? trapezoids isosceles triangles equilateral triangles rectangles pentagons
How many atoms are in a sample of 1.83 moles of potassium (K) atoms? A) 3.04 × 10-24 atoms K B) 3.29 × 1023 atoms K C) 1.10 × 1024 atoms K D) 6.02 × 1023 atoms K
If we want to describe work, we must have a. an action which causes no movement or reaction. b. a force and a movement in the opposite direction of the force. c. a force and a movement in the same direction as the force. d. an action which causes movement and an opposite reaction.
Which statement best describes the formation of diamonds? A. Diamonds form in talc under very low pressure. B. Diamonds form in talc under very high pressure. C. Diamonds form in kimberlites under very low pressure. D. Diamonds form in kimberlites under very high pressure. I'm pretty sure the answers not D though
The average speed of oxygen molecules in air is about _____.. . . a.1700 km/h . b.17,000 km/h . c.170 km/h . d.0 km/h . .
Which explanation best describes the development of a wave? friction between the moving air and the underlying water imparts energy, which causes the water to move horizontally great distances. the air mixes with the water to produce a wave. friction between the moving air and the underlying water imparts energy, which causes the water to move in a circular motion, but the energy moves great distances. wind blows water along in one direction, thereby causing it to move great distances?
The Earth's place in space can be described as _________. A. second planet from the sun in the Milky Way Galaxy B. third planet from the sun in the Milky Way Galaxy C. fourth planet from the sun, near Alpha Centauri D. an elliptical orbit around the sun in the Andromeda Galaxy
Which of the following statements describes the interaction between magnetic poles? A. Like poles attract each other. B. Like poles repel each other, and opposite poles attract each other. C. Opposite poles repel each other. D. Like poles attract each other, and opposite poles repel each other.
Select the statement that correctly describes how light travels.. -Light cannot travel in a vacuum because it travels slower when the light source is moving. . - Light cannot travel in a vacuum because the light source is stationary. . - The speed of light, traveling in a vacuum, will not change if the light source is moving. . - Light traveling in a vacuum changes speeds when the light source moves. .
What is the speed of a wave with a frequency of 2 Hz and a wavelength of 87 m? 0.023 m/s 43.5 m/s 89 m/s 174 m/s
Study the electron dot diagrams in Figure 1 above. Which two elements are most likely to react and form a compound? What type of compound are they likely to form? Download png
When a wave moves, what happens to the medium? (Points : 1) It moves up and down or back and forth, but it does not move forward with the wave. It moves forward with the wave. It moves only perpendicular to the energy of the wave. It moves only parallel to the energy of the wave.
When two stars are bound together gravitationally and orbit a common mass, they're known as A. constellations. B. meteoroids. C. galaxies. D. binary stars.
What happens to an iron bar when it is placed within the coils of a solenoid? It induces a current. It stops the current. It becomes a magnet. It loses its magnetism.
Which of the following statements is untrue in regard to sound traveling in air? a. during a single vibration of the diaphragm, molecules in the air near it will also complete one vibration. b. sound waves in the air are transverse and consist of compressions and rarefactions of air molecules. c. as the distance from the earth increases, the sound wave intensity also decreases due to the lessening density. d. the area covered by the wave front increases as the wave advances, but the energy passing through a wave front in a unit of time decreases.
Which of the following angles is not coterminal with the other three? a. 591° b. 231° c. 51° d. –129°
Which of the following balances is affected by the local force of gravity? A) Beam balance B) Analytical balance C) Spring balance
If you have an effusive personality, then it __________ of you. motor oil will __________ across the gravel if it spills out of the can.
Which of the following is NOT an appropriate result of healthy stretching? a. tension in the muscles b. a slight burning sensation c. muscle pain d. increased range of motion
Which of the following was formed from leftovers in the solar system? the comet the planets in the upper left corner the sun the planets to the right of the sun
Which statement correctly describes a property of white light?. . A. It makes all objects appear white.. . B. It contains different wavelengths of visible light.. . C. It allows light waves to be transmitted.. . D. It contains all waves on the electromagnetic spectrum.
Which surface winds blow between the subtropical high and the equator A) trade winds B) polar easterlies C) sea breezes D) westerlies
About 99% of the atmosphere is composed of a. argon and carbon dioxide. b. nitrogen and water vapor. c. oxygen and carbon dioxide. d. nitrogen and oxygen.
Without the greenhouse effect the Earth would be _______ than it is today. a. warmer b. drier c. colder d. wetter