Answer:
(D) The retina
Explanation:
The lens' job is to focus light rays on the back of the eyeball — a part called the retina
length and distances
Explanation:
A meter is a SI unit of length and distances.
Meters is a fundamental unit that cannot be derived from any other combination of units.
We use meter to express how long or short distances and lengths are.
- There are several multiples and sub-multiples of a meter.
- Higher lengths like distance between places takes the order of kilometer.
- Smaller distances takes centimeter, millimeter.
- It is used to express how long a quantity is.
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Answer:
Pigmentation of the skin results from the accumulation of melanin-containing melanosomes in the basal layer of the epidermis. Differences in skin pigmentation result both from the relative ratio of eumelanin (brown–black) to pheomelanin (yellow–red), as well as the number of melanosomes within melanocytes.
Explanation: