Scientists hypothesize plants evolve directly from
a cellulose
b fungi
c bacteria
d green algea

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Me the formula cacl2 represents the compound

Animals that have thick fur and ae able to store large amounts of body fat live where ?