Answer:The "three principal rays" which are used for visualizing the image location and size are: A ray from the top of the object proceeding parallel to the centerline perpendicular to the lens. Beyond the lens, it will pass through the principal focal point.
Explanation:
Answer: Flooding and wet weather are expensive to farming-based land because they cause delays in and reduction of crop harvest. If soil is too wet it can result in poor conditions for the crops to grow; when soil is well drained then the oxygen, things that act as foods and trace elements that the plant needs are available.
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Answer:
False
Explanation:
Earth science research documents are always subjected to peer review before being published
Answer:
As an ecosystem, the Amazon is one of the most biodiverse places on earth. Over 3 million species live in the rainforest, and over 2,500 tree species (or one-third of all tropical trees that exist on earth) help to create and sustain this vibrant ecosystem. More and more, biodiversity is at risk.
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