Explain the risks of pregnant women smoking tobacco and drinking alcohol. (6 marks)

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

Where can dna be found in a prokaryotic cell

This is the main structural axis of the plant that supports leaves, flowers and fruits; transports fluids; stores nutrients and produces new tissue.