Answer; All the above
A) an atom seeks to fill its outer shell of electrons
B) an atom seeks to balance its positive and negative charges
C) the reaction will result in paired electrons
Explanation;
-In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.
-During a chemical reaction an atom may lose of gain electrons resulting positive and negative ions (ionic bond formation) or may result to the paired electrons (sharing of electrons).
Respiratory system, excretory system, digestive system
<span>Plant cells contain organelles called chloroplasts that form the epicentre of the photosynthetic process. These organelles contain a pigment called chlorophyll that aid in this process. Plants use this process to convert energy absorbed from light to chemical energy which can be used for growth and a variety of other cellular processes. Animals on the other hand, do not have cells containing chloroplasts. They have organelles called mitochondria that produce energy.<span>
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And also to increase their chances of survival as they are prone to be killed by their predators. In frogs fertilization is external, means it takes place outside female body. So to increase the chances of fertilization frog produce large no. Of gametes and basically sprays them over eggs released by female.
Answer:
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