Answer:
Peat is the surface organic layer of a soil that consists of partially decomposed organic matter, derived mostly from plant material, which has accumulated under conditions of waterlogging, oxygen deficiency, high acidity and nutrient deficiency
Explanation:
so c
<span>The general sense found in the skin are:
a. Tactile - simply called the sense of "touch"
b. Pressure - a heavy touch (receptors for both tactile and pressure are called mechanoreceptors)
c. Temperature - the skin determines whether the environment is hot or cold (Thermoreceptors)
d. Pain - when the tissue is damaged
e. Vibration </span>
Answer:
Silent mutation: Some mutations that change DNA bases do not have any effect on the sequence of amino acids in the protein. These mutations are called silent mutations and they do not affect the structure or function of the protein because there is no effect on the amino acid sequence.
C. a rise in blood carbon dioxide concentration
Explanation:
Negative feed back mechanism refers to the control mechanism in which a product of a particular pathway controls the switch on and switch off of that particular pathway.
Since breathing increases the blood oxygen concentration and lowers carbon dioxide concentration and pH. The sensors that regulate the breathing should respond to oxygen concentration as the carbon dioxide is the by-product of respiration and is responsible for increasing blood pH. Thus increased Carbon dioxide levels in blood is the only factor which will trigger breathing.
Answer: 2 atoms of hydrogen combined by covalent bods to the same atom oxygen. ( H2O )
Explanation: What is water molecules made of? 2 atoms of hydrogen combined by covalent bods to the same atom oxygen. ( H2O )
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