Does anyone go through anxiety and know what to do that can help reduce it

The part of a desired plant inserted into rootstock during grafting is called the

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity