Cells are the basic building blocks of all living things the human body is composed of trillions of cells they provide structure for the body taking nutrients from food convert those nutrients into energy and carry out specialized functions
Answer: the atomic number is eleven because the number of protons is equal to the number of electrons which is also equal to the atomic number.
The atomic mass is the protons+neutrons which after adding will give 23.
Explanation:
Answer:
It is dangerous if directly inhaled, it is not a very abundant energy source and it releases the most toxins when burned i think :))
Explanation:
Answer:
See Explanation
Explanation:
Darwin's theory of natural selection has it that organisms that are better adapted to their environment happen to survive and reproduce passing on their favorable characteristics to their offspring.
It must have been that a gene mutation occurred in the ancestors of the Europeans which led to the appearance of the allele for lighter skin.
This trait became favorable in their environment and people that had it were able to survive and pass the trait on to their offspring hence it became predominant throughout the population.
Cells will undergo mitosis to initiate repair of damaged cells, to replicate cells for growth, and to replace dying cells.
Hope this helps