<span>If Noam chooses a filter, it might be more effective than a screen. After using it for a while, though, he will have to replace it, which could be expensive. A screen might be less effective, but it can be cleaned instead of replaced.</span>
Answer:
I believe that the protists were the first organisms on earth. And the other 5 kingdoms then came from the protists.
I think that's it! :)
Answer:
endothermic reaction
Explanation:
This means it cannot occur without energy (from the Sun).
I believe it's lactic acid and energy.
Answer:
Animalia - multicellular, eukaryotic
Plantae - vacuolate eukaryotic cells, multicellular
Protista - unicellular and multicellular, eukaryotic
Fungi - decomposers, non-motile
Eubacteria - unicellular, prokaryotic
Archaebacteria - no peptidoglycan, glycoproteins and polysaccharides in cell walls.
Hope that helps. :)
