The middle stone age and the later stone age corresponds to the middle and the late pleistocene.
Cultural evolution during the middle and the late pleistocene :-
In southwestern Asia as well as northern and southern Africa, personal ornaments in the form of perforated seashells are recorded from the early Late Pleistocene. In the Old World, Neanderthals and anatomically modern humans are linked to a range of personal ornamentation by about 40,000 years ago (Ka). These include fully created ornaments as well as organically modified things. The appearance of figurative art, mythical imagery, and other types of items, like as musical instruments, at various times in history suggest that completely modern behavior began to emerge more gradually towards the middle of the Late Pleistocene and most definitely no later than 40 Ka. Many, but not all, of the lengthy and rigorous history of study might well have helped to the relevant data come from Europe.
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Answer: positive feedback loops enhance or amplify changes. this tends to move a system away from its equilibrium state and make it more unstable. Negative feedbacks tend to dampen or buffer changes. this tends to hold a system to some equilibrium state making it more stable.
Explanation:
The answer is D. Seaweed.
<span>The exfoliative toxin is responsible for a skin disease called staphylococcal scalded skin syndrome. This exotoxin, exfoliatin is produced by Staphylococcus aureus and it induces the formation of fluid-filled blisters with easily ruptured, thin walls, usually in infants. Exfoliatin has the protease activity which causes peeling of the skin by destroying adhesion between keratinocytes (skin cells).</span>
Answer:
A) exergonic; protons; glycolysis
Explanation:
The synthesis of ATP from ADP and Pi is an exergonic reaction. In mitochondria, ATP synthesis is driven by the flow of proton down a concentration gradient established by glycolysis.
