Control variables why must you use the same number of beads when you construct the second chromosome in step 1?

if u dont u wont get the right answer u always u the same beads u used before but if ur doing somthing else like the vibration with more beads added then u add more beads

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.