Meiosis involves crossing over where chromosomes exchange genetic segments, resulting in different sets of chromosomes. Each time an egg or sperm created, it is different due to this recombination. Mitosis on the other hand is non-sex cells replicating exact copies of themselves which lead to no genetic variation as they aren't involved in producing offspring.
Answer:
One
Explanation:
Sodium (Na) has one valence electron so it gets one dot.
The enzyme, RNA polymerase, which performs the transcription process, binds to the promoter sequence and then beings to work its way down the DNA segment, constructing RNA to match the DNA nucleotides over which the enzyme passes.
That would be C. Deforestation. Tree and plant roots keep the soil in place, when they are removed, there is nothing stopping the soil from blowing or washing away. Hope this helps!
Explanation:
.carbon moves from atmosphere to plants
.carbon moves from plant to animal
.carbon moves from living things to the atmosphere
. carbon moves from fossil fuels to the atmosphere when fuels are burned
. carbon moves from atmosphere to ocean
