.................... thats Hard...!!!?
The correct answer is A. An oak tree
Explanation:
The term "primary producer" is used to describe organisms that can produce their own energy without feeding on others, this includes plants and algae that produce food and energy through photosynthesis using light and other inorganic compounds. Additionally, the primary producers can be identified because in ecosystems they are always on the first level and they are eaten by others.
According to this, the one that is a primary producer is an oak tree because this is a type of plant and therefore can produce its food through photosynthesis different to others that need to feed on other organisms to obtain energy.
Answer:
Egypt, as Herodotus wrote, is the Gift of the Nile. ... No Nile, no Egypt. It's that simple. But the Nile isn't Egypt's alone: its flow, and those of its tributaries, also waters the soils, and is fed by the rivers, of Sudan, Ethiopia, and several other African nations.
Explanation
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By not trading as much anymore until they ask for what they want?