Hot glass appears wet compared to cold glass.
true or false?...
Answers: 2
Biology, 21.06.2019 22:30, ladnerhailey16
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
Answers: 2
Biology, 22.06.2019 10:30, jagslovegirl
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
Answers: 1
Physics, 07.10.2019 04:10
Mathematics, 07.10.2019 04:10
Mathematics, 07.10.2019 04:10
Biology, 07.10.2019 04:10
English, 07.10.2019 04:10