An object moving in a circle is accelerating, even if it moves with a constant speed because the velocity changes.
<u>Explanation:</u>
The direction of an object changes constantly during its movement in circle at a constant speed. As the direction changes it results in changing the velocity of that object. This happens since velocity has direction and magnitude.as it is vector quantity.
An object will have acceleration only if a resultant force is acting on that body. When an object is moving in a circle, this resultant force is the centripetal force that is acting towards the center of the circle.
Answer:
the crude birth and death rates are simultaneously low.
Explanation:
the oldest ocean floor is only 180 million years old, because the oldest crust is destroyed at subduction zones.
<h3>
What are subduction zones?</h3>
According to NOAA, tectonic plates are fragments of the Earth's hard outer layer that steadily travel across the surface of the globe over millions of years (opens in new tab). (This is a fundamental principle of the theory of plate tectonics, which holds that pieces of the Earth's crust slide across the lower mantle and carry continents with them.) According to the U.S. Geological Survey(opens in new tab), the Earth's crust and the top part of the mantle, a thick, heated layer under the crust, make up that outer layer, also known as the lithosphere (USGS). This lithosphere material curls downward into the heated mantle during subduction zones, when two tectonic plates collide and one slides beneath the other.
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Answer:
Explanation:
1. glacial tills and cirques Till is derived from the erosion and entrainment of material by the moving ice of a glacier. It is deposited some distance down-ice to form terminal, lateral, medial, and ground moraine. Cirques form by the accumulation of snow and ice avalanching from upslope areas. The size of cirque glaciers ranges from glaciers that are completely limited within hosting bedrock hollows, to glaciers that form the heads of large valley glaciers.
2. ENERGY FROM THE SUN heats up the air at the equator most because of the curvature of the earth. This tends to rise up then head toward the poles where it cools and moves closer to the surface and then more or less back toward the equator.
THE ROTATION OF THE EARTH makes the movement of air relative to the surface of the earth seem to deflect. This Coriolis effect doesn't affect your toilet flushing, but does influence large scale wind patterns and hurricanes.
THE LATITUDE OF VANCOUVER roughly half way between the equator and the north pole positions us so the large scale wind patterns tend to bring us winds from the west.
THE PACIFIC OCEAN sits to the west. Winds pick up moisture from it toward shore. Large bodies of water also tend to hang on to energy that keeps our temperatures more moderate.
THE COAST MOUNTAINS push the moist air upward so it cools off and can't hold on to as much moisture, so it rains.
THE TILT OF THE EARTH'S AXIS relative to the plane of our orbit around the sun means we are tilted away from the sun during winter, so it's cooler. This results in a greater temperature gradient between the equator and the north pole, and the winds get stronger. The cooler temperatures combined with more moisture-ladened wind brings more rain during winter.
