A) The data to support his hypothesis, so he should investigate if the same change happens in the density of solid water.
Organelles(or-gahn-lś)
Specifically means little organ but is sometimes commonly used as the Rank below the tissue in the cell body..They live inside the cell taking care of most of our bigger organisms. :)
They were adapted to an environment and once it is taken away the plants will slowly start to die. I'm not 100% :)
Hoarding, it may seem like a complicated question but think it through.... which one of these things doesn't belong... also compare the definition of hoarding to compulsive shopping and you should see similarities.
Plus compulsive shopping patients have tendencies to turn to hoarding.
B) Meiosis 1.
During anaphase, homologous pairs of chromosomes are separated into their own haploid daughter cells.