DNA ___ occurs, Chromosomes ___, ___ of complete DNA. DNA Replication is ___ and ___. Cells prepare for _ (cell division), grows more, proteins organize themselves into spindle fibers.

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Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?

What is it called when lava when it erupts from the surface through volcanoes.

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. the works to break down food eaten before exercising. the takes in the nutrients obtained from the food. the body sweats as a mechanism to cool off, because the is working to flush out toxins.