the element that provides strength to the exoskeletons of clams and oysters is phosphorus.
this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.
explanation:
answered: Guest
✿ this landform has a high elevation and a high relief
✿ this landform is a mountain
answered: Guest
the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.
In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia
Will mark you as ! keiko’s teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most closely resembled prokaryotes. which organelles should keiko mark? * the first image is the question and the second image is some information to you answer the !