The correct answer is: [B}:
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" Nyctalopia affects vision in the fovea centralis, resulting in impaired vision. "
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Hope this helps!
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Fahrenheit temperature scale is a scale based on 32 for the freezing point of water and 212 for the boiling point of water, the interval between the two being divided into 180 parts. The 18th-century German physicist Daniel Gabriel Fahrenheit originally took as the zero of his scale the temperature of an equal ice-salt mixture and selected the values of 30 and 90 for the freezing point of water and normal body temperature, respectively; these later were revised to 32 and 96, but the final scale required an adjustment to 98.6 for the latter value.
Until the 1970s the Fahrenheit temperature scale was in general common use in English-speaking countries; the Celsius, or centigrade, scale was employed in most other countries and for scientific purposes worldwide. Since that time, however, most English-speaking countries have officially adopted the Celsius scale. The conversion formula for a temperature that is expressed on the Celsius (C) scale to its Fahrenheit (F) representation is: F = 9/5C + 32.
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B. A fish swimming upstream
C . A bird building in a tree
Answer:
cow eating grass
Explanation:
Answer:
The correct reason would be "the levels of dissolved oxygen at the mouth of the river and at the source of the river".
The mouth of the river is the region where it flows into the ocean, lake, another river, reservoir, sea et cetera. The level of dissolved oxygen in this region is too low to support great biodiversity.
Organisms like catfish and carp can survive here due to their low oxygen demand. For example, catfish can survive in water with an oxygen content of 2.5 parts per million.
In contrast, the level of dissolved oxygen is higher at the source of the river. Organisms like trout are found here due to their high oxygen need. For example, rainbow trout require minimum 5-6 parts per million dissolved oxygen for its survival.
Answer:
ANATOMY is the study of internal organs LIKE Tthe orgons which are inside our skin and other tissues for example kidney heart and brain etc
Answer: Salivary Gland
Explanation:
The salivary gland in human being is exocrine gland which helps in the production of saliva through a system of ducts.
Human beings have three paired major ducts in salivary glands that secrete their secretions in the mouth by the help of duct.
The main type of enzyme secreted is alpha-amylase which helps in the breakdown of starch into glucose and maltose.
Carbon atoms are found in compounds that are solids at room temperature whereas oxygen atoms are found in compounds that form gases
Carbon atoms have lower mass than oxygen atoms, which keeps the masses of living things within desirable limits.
Carbon atoms are more stable than oxygen atoms, which allows living things to have more stable compositions.