Answer:
They are located in the retina (a layer at the back of the eye).
Answer:
B. Sedimentary basins
Explanation:
Petroleum can only accumulate in a petroleum source with organic matter, which sedimentary basins can provide.
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Answer:
The rate of photosynthesis can be measured in different ways using the scientific method:
- The carbon dioxide being taken up by the plant can be measured.
- The oxygen being produced can be measured.
- The increase in dry mass can be measured.
For example, oxygen can be measured by placing a plant in a water bath containing a capillary tube. The rate of bubbles being formed can be measured. From this, results can be deduced and conclusions can be drawn.