Is there any possibility that a person commutes with AIDS without having a sexual contact?

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

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

Si units are the modern form of the