Answer:
Every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. ... Use coefficients of products and reactants to balance the number of atoms of an element on both sides of a chemical equation.
Explanation:
I am sorry, I am not good in this area but, I found a site that could help you: http://www.chemicalelements.com/elements/ca.html
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Answer:
For example, cells in the interior of the body may be signaled by genes to become either muscle or connective tissues, while other cells on the exterior of the body will be signaled to become epithelial cells.
Explanation:
Point Mutation !! It is a mutation affecting only one or very few nucleotides in a gene sequence.
Bacteria. Bacteria is used to produce some foods items hence can be present in high numbers. Pasteurisation minimizes bacteria count
