Answer:
A vector quantity has a direction and a magnitude, while a scalar has only a magnitude. You can tell if a quantity is a vector by whether or not it has a direction associated with it.
Explanation:
Example: Speed is a scalar quantity, but velocity is a vector that specifies both a direction as well as a magnitude.
Answer:In biology, an organ are when tissues come together that structurally form a functional unit specialized to perform a particular function. Your heart is a example of organs
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Explanation:
Mendel's conclusions disproved blending inheritance because when cross breeding, only one trait, which is the dominant trait, will be shown instead of a blend of both traits. For each gene, how many alleles are inherited from one parent? For each gene, one alleles is inherited from each parent
The main source of energy is the Sun. This is because Photosynthesis is a light dependent reaction. If there was no Sun, there would not be any energy. Soil does not provide energy. ATP is energy but that is usually produced in heterotrophic organisms. Finally it cannot be glucose because that is the product of photosynthesis. Hope this helps and feel free to ask me any more questions you may have!
