<span>A. The nebula contracts and shrinks instead of expanding
</span><span>Nebula is the cloud of interstellar dust and gas that forms a star. It is collborately shaped during colliding and collapsing of the interstellar mediums this is influenced by the gravitational attraction of the atoms and particles in the entites. Hence, there are three types of nebular namely, are classical nebula, diffuse nebula, planetary nebular and supernova remnants.</span>
I have always heard them referred to as "pathogenic" but I believe the answer is pathologic
Answer:
Rats can survive several days without food but only 48 hours without water.
Explanation:
Also, for anyone who didn't know this, rats eat even when they are not hungry. So, if you feed them constantly, they will eat constantly
Answer:
Limited food supply and competition
Explanation:
Density dependent factors are those which in general lead to reduction of growth rate of population when the population density increases. One of such factor is availability of food and competition.
Whenever the density increased to an extent where the resources or available food becomes scarce or limited,then the growth rate of population decrease. These factors generally lead to logistic growth pattern of population.
Answer:
As of 2015, that number was 13.7 percent
Explanation:
Renewable energy in the U.S. through the first half of 2016, including hydro-electric power, biomass, geothermal, wind, provided 16.9 % of electricity generation. As of 2015, that number was 13.7 percent.