Answer:
atoms determine the number of valence electrons determine the stability of the atom based on reading the topography of the atmosphere
a. redwood trees. K-selected species are living organisms that tend to be larger than those in the r-selected species. They also have relatively stable population and live longer, but produce relatively fewer number of offspring. Redwood trees are the biggest and tallest trees in the planet; they can live up to a thousand years.
Nitrogen-fixing bacteria are microorganisms present in the soil or in plant roots that change nitrogen gases from the atmosphere into solid nitrogen compounds that plants can use in the soil.
