Which of the following statements concerning language development is not correct? A. Toddlers will often make errors in their early attempts at using words. B. A toddler’s early words often represent more objects than actions. C. Children generally learn more nouns before verbs. D. Toddlers can often speak more words than they can understand.
How is energy related to the change of state represented by the model? Atoms gain energy as a solid changes to a liquid. Atoms gain energy as a solid changes to a gas. Atoms lose energy as a solid changes to a liquid. Atoms lose energy as a solid changes to a gas.
As an electron approaches a proton, the electric force of attraction A. decreases B. increases C. remains the same
What is true at STP?. . A) Temperature is 300 Kelvin.. . B) One mole of gas occupies a volume of 22.4 liters.. . C) Pressure is 101 atmospheres.. . D) Volume is 24 liters.
Which of the following is a characteristic of a lever action firearm? A, To load a cartridge from the magazine, grasp the lever and swing it down and away from you. B, To load a cartridge, push on the chamber-release lever and pivot the barrel down C, It comes with a detachable magazine which can be removed from any point D, A new cartridge is loaded automatically once the trigger has been pulled and a round is firedDownload png
If zak's speed is 3.00 m/s when he starts to slide, what distance d will he slide before stopping? express your answer in meters.
26.) A 20-N force applied to the to the handle of a door produces a 44-N output force. What is the AMA of the handle? Show your work. please help me asapcan someone please help me like now
With his Square Deal, Theodore Roosevelt hoped to a. help pull the United States out of the Great Depression. B. increase the influence and power of the United States among the nations of the world. C. keep the wealthy and powerful from taking advantage of small business owners and the poor. D. help business trusts remain competitive.
Which of these experiments tests a chemical property of an object?? A.heating the object to determine its melting point B.shining a bright light on the objects and testing for decomposition C. placing the object in the water to see if it dissolves D. trying to lift the objects with a magnet
Unlike images produced by a convex spherical mirror, images produced by concave spherical mirrors A. are always going to be displayed upright, not inverted. B. can be real or virtual depending on the object's placement. C. are located only by the mirror. D. are always going to be virtual.
A cell is _______ if it lacks a nucleus and membrane-bound organelles. A. autotrophic B. prokaryotic C. eukaryotic D. heterotrophic
7. Kepler’s Third Law of Orbital Motion states that you can approximate the period P (in Earth years) it takes a planet to complete one orbit of the sun using the function , where d is the distance (in astronomical units, AU) from the planet to the sun. How many Earth years would it take for a planet that is 6.76 AU from the sun? 15.23 17.58 154.46 3.58
Which type of electromagnetic radiation cannot be focused? A. Gamma rays B. X-rays C. Infrared D. Ultraviolet
How does the charge of a particle affect the direction in which the particle is deflected in a magnetic field?
The force of ________ is the force at which the earth attracts another object towards itself. A. inertia B. friction C. gravity D. momentum
The measure of an object's mass and velocity is called __________. A. gravity B. acceleration C. inertia D. momentum
The valence electron configurations of several atoms are shown. how many bonds can each atom make without hybridization?
Light demonstrates the characteristics of A. particles only B. waves only C. both particles and waves D. neither particles nor waves
There are ____ molecules of air at high elevations, so air pressure is less. a. fewer c. more b. the same number of d. no
For most people, the majority of their total energy expenditure is from their basal metabolism energy intake physical activity thermic effect of food
Which of the following describes the type of wave that transmits sound? . . Disturbance . . Longitudinal . . Propagated . . Transverse . .
19. Water that flows downhill along Earth's surface is called A. beach hydraulics. B. cycles. C. runoff. D. rain.
Resistance is a force that __________. a. speeds objects up b. slows objects down c. changes an object's inertia d. does not relate to object's motion User: Staying upright during vigorous physical activity is BEST described as having good __________. a. balance b. flexibility c. agility d. reaction time
1)generators convert physical energy into? a. sound waves b. electrical energy c. batteries d. motors