A positive feedback mechanism is the exact opposite of a negative feedback mechanism. ... In a positive feedback system, the output enhances the original stimulus. A good example of a positive feedback system is child birth. During labor, a hormone called oxytocin is released that intensifies and speeds up contractions.
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he difference between growth and development depends on the context, the jargon in which the terms are being used. ... In biological systems, growth indicates a quantifiable change in size, whereas development indicates a transformation of structure. So a small caterpillar eats lots of leaves and grows large.in life both are neede and are very useful like learning and earning
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Answer:
4. A test group where the variable is not changed or applied
Explanation:
As the substance melts the particles have a higher chance of colliding with one another and also move much faster than when the substance is solid. This is because the particles have a higher surface area to move around. Also the arrangements of particles are free.
A large majority of languages of this family are tonal such as Yoruba and Igbo, Ashanti and Ewe language. A major branch of Niger–Congo languages is the Bantu phylum, which has a wider speech area than the rest of the family (see Niger–Congo B (Bantu)
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