Physics

The change in the wind patterns on the Earth that causes an increase in ocean temperature is: a. El Niña c. La Niña b. El Niño d. La Niño

Kevin Sutter

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What was the collective name for the four ancient sporting tournaments in Greece? Olympic Games

Ramon Kelly

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Tides are a result of A. currents in the ocean. B. strong winds in the equatorial regions. C. friction caused by the Earth's rotation. D. the gravitational attraction of the Sun and Moon

Bethany Evans

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Which of the following examples illustrates static friction in action? A.a ball rolling down a hill B.a skater gliding across the ice C.a plane flying through the air D.a car starting to move after the light changes from red to green

Rodney Fox

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If a star has no measurable parallax, what can you infer?

Blair Lewis

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Stars are able to form from clouds of dust and gas because of. A) The Law of Entropy. B) The Law of Propulsion. C) The Law of Universal Gravitation. D) The Law of Stellar Evolution

Annie Barnes

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What can be said about this magnetic field illustration? Download png

Deborah Edwards

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How are the careers of an oceanographer and hydrologist similar? How are they different?

Tara Andrews

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Plants can only cause mechanical weathering. true or false.

Donald Ward

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What happens when the temperature of an object increases? A. The particles move closer together. B. The particles move faster. C. The number of particles increases. D. The particles stop moving.

Victoria Fowler

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When you apply the ipde process, you may decide to?

Victoria Fowler

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List three important characteristics of Earth.

Kristi Hammond

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Which of the following is true about glass recycling? a. Recycling glass reduces the rate of deforestation. b. Recycling glass eliminates greenhouse gas emissions. c. Recycling glass is an energy-saving practice. d. Recycling glass has an incredibly short turn around time.

Jeffrey Rodriguez

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Study Figure 10-3. How much nitrogen-14 will be produced from a 200-g sample of carbon-14 after 17,190 years?Download png

Craig Stewart

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Which statement best describes the properties of sodium chloride? A. high melting point B. poor conductor of electric current when melted C. tendency to not shatter when struck D. all of the above

Brandon Scott

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Energy from the sun reaches Earth mostly by ________. A.) conduction B.) convection C.) radiation D.) thermal expansion

Kevin Sutter

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Which process produces rising air when mountains push the air upward? A. orographic lifting B. localized convective lifting C. frontal wedging D. convergence

Eric Morgan

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Without the skeletal system, the body could not fight off infection. Please select the best answer from the choices provided. T F

Alexa Spicer

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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

Brandon Scott

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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.

Blair Lewis

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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. .

Justin Parker

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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

Deborah Edwards

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Why did President Franklin D. Roosevelt establish Social Security?

Ashley Howard

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Which of the following angles is not coterminal with the other three? a. 591° b. 231° c. 51° d. –129°

Kyle Mckinney

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What is the fundamental frequency of a particular medium ?

Jeremy Wood

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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

Craig Stewart

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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.

Alexa Spicer

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A star that appears to pulsate is called a

Deborah Edwards

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Air is forced through the water to remove gases is called?

Amanda Johnson

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Which is an example of natural erosion? ice forming in cracks of rocks acid rain falling on sidewalks waves washing over rocks on the beach water washing away soil in an area with off-road vehicles

Jeremy Wood

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Heat can never flow from __________. a. hot to cold b. cold to hot c. liquid to solid d. solid to liquid

Ashley Howard

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Which of the following statements is a consequence of the equation E = mc2? A. Energy is released when matter is destroyed. B. Mass and energy are equivalent. C. The law of conservation of energy must be modified to state that mass and energy are conserved in any process. D. all of the above

Jodi Brooks

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Depletion to the ozone layer can cause changes to the biogeochemical cycles. True of False

Nicholas Rivera

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A metal bolt with a mass of 8.50 x 10^-2kg and a temperature of 85.0 degrees Celsius is placed in a container of water. The mass of the water is 0.150 kg, and its temperature is 25.0 degrees Celsius. What is the specific heat capacity of the bolt if the final temperature of the bolt and water is 28.4 degrees Celsius? (Cp.w = 4186 j/k* degree Celsius)

Ashley Howard

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A sea arch is formed through wave erosion. a. True b. False

Cynthia Baker

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A balloon filled with helium gas has an average density of

Rodney Fox

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If the vertical component of velocity for a projectile is 7.3 meters/second, find its hang time.

Megan Page

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One consequence of the third law of thermodynamics is that

Ramon Kelly

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For INELASTIC collisions, which of the following statements can be true? Choose all that apply. Momentum is conserved. Momentum is lost. Kinetic energy is lost. Momentum is gained. Kinetic energy is conserved. Kinetic energy is gained.I put a and c and it says it wrong down to my last tries.

Brandon Scott

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A tariff is another name for

Timothy Norman

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Which statements about acceleration are true? check all that apply. a. the si units of acceleration are m/s2. b. for acceleration, you must have a number, a unit, and a direction. c. to calculate acceleration, divide the change in speed by the change in time. d. the symbol for acceleration is .

Tara Andrews

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Photons travel outward from a light bulb in

Eric Morgan

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When light hits the boundary between two different materials, it can undergo when light hits the boundary between two different materials, it can undergo both reflection and refraction. refraction. reflection?

Ross Pratt

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When electromagnetic fields interact with charged particles, they become stronger because they gain protons. they become weaker because they gain electrons. electromagnetic force will occur. electromagnetic forces are canceled.

James Washington

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What lever has resistance between the axis (fulcrum) and the force (effort)? a. first b. second c. third d. fourth

Kaitlin Dean

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Niobium has a density of 8.57 g/cm3 and crystallizes with the body-centered cubic unit cell. Calculate the radius of a niobium atom.

Caroline Campbell

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Hoover believed that the private sector would pull the United States out of the Depression. true false

Whitney Matthews

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An fm radio station broadcasts at a frequency of 101.3 mhz. what is the wavelength?

Whitney Matthews

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To what is amplitude related? (1 pointthe amount of energy carried by the wave the maximum displacement from the rest position neither of the above both the first and the second choices above amplitude is related to both the amount of energy carried by the wave and the maximum displacement from the rest position . [ ] [ [ ] ]

Kathy Robinson

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