54)
a student is studying a process in which a diploid cell becomes haploid. which of these shows the correct mathematical model for the process if nnew is the number of chromosomes in the haploid cell and nold is the number of chromosomes in the diploid cell?
a) nnew = 2·nold
b) nnew =
nold
2
c) nnew = nold + 2
d) nnew = nold × 2

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.