Not sure this is a question but my answer would be a semi-permeable membrane? Hope this helps! <3
Answer:
Moth larvae and imported weevils ?
Explanation:
The right Answer is <u>NITROGEN </u>
Nitrogen is quantitatively the most important nutrient that plants acquire from the soil. It is well established that plant roots take up nitrogen compounds of low molecular mass, including ammonium, nitrate, and amino acids. ... Intact protein also was taken up into root cells most likely via endocytosis.
Thus I prove that my answer is true.
It gets heavier and heavier because it is pressure that holds the earth together and keeps the core of earth a hot SOLID ball instead of liquid
