The cells in the heart need a constant supply of nutrients / oxygen and to get rid of their waste products ans that why it needs its own special circulatory system.
The answer to your asked question is c. have a good day!
Answer:
Earth's axis always points in the same direction. Because of this, the part of Earth that receives the most direct rays from the Sun changes as the Earth travels around the Sun. At the equinox, the Sun's rays shine most directly on the equator, and the Northern and Southern Hemispheres get the same amount of Sunlight.
Explanation:
Answer:
The real reason to conserve wildlife in the wild is to conserve the ecosystems in which the relevant animals (and plants) live, because these ecosystems provide us with clean air, clean water, food, and shelter. Forest removal has climatic effects, increases erosion and silts up rivers
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<span>A stereoscope uses two pictures from slightly
different viewpoints in order to provide the illusion in 2-d images. The two slightly different pictures of the same object or scene
will be seen by the left eye and the other picture will be seen by the right
eye, and then when they are viewed in stereoscope, the two pictures were fused
perceptually into single image containing depth. </span>
