Answer:
a. In Left gaze bias experiment, scientists tested to see if dogs portrayed left gaze bias like humans when presented with pictures of human or dog faces.
b. The left gaze bias looks at the right side of ones face at first site and dogs do this with humans but not other dogs.
c. With the encounter with other human faces, humans look at each other with left gaze bias.
d. The scientist were testing if the dogs recognize expression regarding direction of gaze same as human.
Sam drives an excavator at an open surface strip coal mine. He has the most tendency to collect the lignite coal which is found in the outermost surface of the earth.
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What is Lignite?</h3>
The brown coal known as lignite, which is found in the topmost layer of the earth's crust, is frequently referred to as such and is essential for commercial use due to the fact that these coals are the only ones used for the majority of applications.
Electricity produced from lignite is plentiful, affordable, dependable, and environmentally friendly. Lignite is a flammable mineral that ranges in color from dark brown to black and was created over millions of years by the partial decomposition of plant matter under conditions of elevated pressure and temperature in an atmosphere devoid of air.
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The energy associated with motion is kinetic energy
Biologist study life at all levels of organization and complexity .atoms genes atom MOLECULE ,CELL,TISSUE,ORGANS,ORGANISM POPULATION, EARTH ,SOLAR SYSTEM AND GALAXIES