State that the most frequently occurring chemical elements in living things are carbon, hydrogen, oxygen and nitrogen. State that a variety of other elements are needed by living organisms, including sulphur, calcium , phosphorus, iron and sodium. State one role for each of the elements mentioned above.
<span> the error occurs at random during the formation of an egg or sperm.</span><span>Down syndrome is caused by a random error in cell division
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Ecological models commonly have limited applications because the models included and the whole of them are from generalizations. And another reason is because ecological models focus on a population level and also an individual level which affects it applications and it caused for limited distributions.
Answer:
Meat is the only nutritionally complete food. Animal foods (particularly when organ meats are included) contain all of the protein, fat, vitamins and minerals that humans need to function.
Ingredients in processed meat:
A typical ingredient statement might list "beef, pork, water, hydrolyzed vegetable protein, salt, dextrose, corn syrup, hydrolyzed milk protein, sodium phosphate, natural spices, smoke flavoring, sodium erythorbate, sodium nitrite."
This is an example of the Water Cycle.
Water returning to the Earth from the atmosphere would be precipitation
