4) A procedure
that is designed
and carried out
under
controlled
conditions...
Biology, 04.10.2020 14:01 Lesquirrel
4) A procedure
that is designed
and carried out
under
controlled
conditions to
prove or
disprove a
hypothesis.
OA)
experiment
OB.)
control
group
OC.)
observation
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 01:00
The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime
Answers: 1
Biology, 22.06.2019 03:00
Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 2
Biology, 22.10.2019 21:00