<span>The vascular tissues in plants are composed of Xylem and Phloem.These tissues allow nutrients and water to be transported in theother parts of the plant.</span>
Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.
The Hershey and Chase experiment concluded the same by labeling the DNA of the parents with phosphorous and found out that the DNA of the offspring also bear phospho- labeled DNA, which established the fact that DNA is the heritable information source. So, your answer is B.
Answer: It is lethal without an appropriate explanation. The lack of oxygen and high pressures are a huge risk, also the temperature and radiation.