Explain this , the nucleus was postulated as small and dense to account for the scattering of alpha particles from thin gold foil as observed in a series of experiments performed by undergraduate ernest marsden under the direction of rutherford and german physicist hans geiger in 1909.

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these