The correct answer is be sure that your instrument is calibrated properly. If your instrument isn't calibrated, then your data will be inconsistent.
Answer:
Where my dear i don't know what you saying
Photo receptors are attached to the retina and are most numerous specifically at the fovea
"Bedding is the separation of sediments into layers that differ from one another in texture, composition, color, or weathering characteristics".
Option (b);
<u>EXPLANATION: </u>
Sediments mean the matter that gets accumulated in one place. Sedimentary rocks are the results of the rock due to the accumulation of small particles that get weathered from rocks or erosion over time. They get accumulated either on the bottom of the sea level or earth's surface and thus the sediment rocks are formed.
These layers of sediments that are created based on difference in their shape, size, color and composition results it in bedding.The size of rocks in bedding ranges from several millimetres to centimetres and it sometimes results in a meter thick.