Answer:
Either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
I am not entirely sure what you mean by "responding variable" but I'm going to guess it was the vinegar since it has been used as a perservative for years.
Hope that helps in some way.
It is important to mention that "horizon" make reference to each layer that the soil has. Each of them has different characteristics which allow them to fulfill different roles.
If you want to plant the most appropriate horizon would be A. (A horizon) This is made up of mineral and decomposed matter and it presents a dark color. here many plats roots grown in.
It's the pull of gravity on an object.
Hope this helps!
The organelle described above is called the endoplasmic reticulum.
The rough portion of this called the granulated endoplasmic reticulum and the ribosomes attached to it enable it to produce proteins.
The smooth portion of this organelle does not contain ribosomes and it has a role in the synthesis of lipids.
