23 but when a sperm cell meets the egg the egg gets 23 genes from the mom and 23 from the dad then the baby will have 46 chromosomes all together
All living things need to have cells before they are said to be living. this is because the cell is the basic unit of life.
Answer:
The answer "to obtain an average that accurately represents fish from this area
" should be the answer because a large sample size is crucial for being a good representation of the whole population, and by taking many samples from each fish scientists can then determine the average mercury concentration within each fish, which then allow them to give a good estimate of the mercury concentration in the fish population because of their sufficient sample size.
Explanation:
Hemlck looks at question
Starts typing.
Sees "Elementary School"
Delete. The best thing to do is to ask your parents about this question as its not best suited for the internet. Since it is a biology question though, it depends on the species.
If its human, it would be... you know... just ask your parents
The answer is the butter contains a new arrangement of atoms.
When melting, the atoms breaks bonds between them, they spread further apart and therefore became liquid.
For A, butter does not change into another substance, nothing is added or combined.
For C, butter can turn into a solid again if we cool it down below it's melting point.
For D, butter still contains the same number of atoms, again, only they became further apart.
Therefore the answer is B.