Answers: 2
Biology, 21.06.2019 22:30
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 02:30
Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels
Answers: 1
Biology, 22.06.2019 03:30
Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis
Answers: 1
Biology, 22.06.2019 04:30
What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an
Answers: 2
What is a instructive igneous rock...
Biology, 21.11.2019 19:31
Business, 21.11.2019 19:31
History, 21.11.2019 19:31
History, 21.11.2019 19:31
Mathematics, 21.11.2019 19:31
Mathematics, 21.11.2019 19:31