A double helix is <span>a pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule. or in other words a double spiral.</span>
Rainwater can replace or replenish freshwater sources.
Precipitation, such as rainwater, is the source of freshwater on Earth.
When the amount of surface freshwater increases, so does the amount of groundwater.
Human activity, such as taking a bath, may change the quality of a freshwater resource. :)
Malnutrition is the term used for being malnourished, in which a person does not have proper nutrients required for his/her growth
Genes
Hereditary
Trait
Genotype
Sex cell
False, if too many individual organisms die, the speices might die out
