Earth does have an elliptical orbit, but the path is nearly circular based on the distances given. The model shows that Earth’s axis is tilted. During summer in the Northern Hemisphere, the hemisphere tilts toward the Sun. The Southern Hemisphere experiences winter at that time, because it points away from the Sun.
Cells are small, becuase they help form tissues, organs, etc. Basically they are the foundation of life, without them, nothing else can be formed. They are the smallest substance found on earth.
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Answer: from east to west
Explanation:
These are symptoms of HEAT EXHAUSTION. Heat exhaustion usually occur as a result of over heating of the body. Symptoms may also include heavy sweating,slight fever, excessive thirst, fainting,nausea, rapid pulse.etc.
Heat exhaustion can be prevented by protecting oneself from excessive heat.
Answer: the absorption of water by the roots
Explanation:
Evaporation of water through the leaves is known as transpiration, and it occurs readily only when environmental conditions such as humidity is high.
On the other hand, the absorption of water by root hairs which is then conducted by the xylem vessels up the stem to various parts of the plant is a important process that determines how water move through a plant to ensure cellular processes such as photosynthesis, respiration etc takes place.
Thus, the absorption of water by the roots plays a much more important role in the movement of water in a plant