What was the starting point for large atoms like those in lead, gold, and other metals heavier than iron? When large stars got old, collapsed, and exploded.
None of these events can explain the formation of heavy metals.
When smaller elements fused in the cores of young stars.
When subatomic particles came together to make the first atoms soon after the Big Bang.

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

(amoeba sisters video recap: pedigrees and need

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim