B because it’s talking about the tree itself. Saying that it’s plants would divert it to a different plant. The cells of the wood is what makes the tree and is relevant to the question
When ice melts, heat energy is being thrown into it, and the water is no longer cold enough to hold its shape. otherwise, the energy just goes into raising other temperatures or providing another type of energy
It is likely to cause oxygen because when heat is applied to boiling water, it creates a gas, which is oxygen.
Homologues are chromosome pairs of the same length, centromere position, and staining pattern with genes for the same characteristics at corresponding locations. One homologous chromosome is inherited from the organism's mother, the other from the organism's father during sexual reproduction. The crossing over, or synapse, occurs during meiosis, which is the process of gamete formation.