History, 01.03.2021 18:10 lexadoodle8945
A student finds a puddle of water in a garden and takes a sample. He wants to perform an experiment to determine if there are living things in the water. How could he collect data that would provide evidence of living things?
A.
examine the sample under a microscope to see if cells are present
B.
measure the weight of the sample over several days to see if the weight increases
C.
observe the water closely to look for particles that are large enough to be seen
D.
determine the amount of oxygen and carbon dioxide present in the water
Answers: 3
History, 22.06.2019 00:00
Nazis who forced jews to live in ghettos also forced them to
Answers: 1
History, 22.06.2019 05:50
How was the u.s. economy different from european economies following world war 1?
Answers: 1
History, 22.06.2019 06:40
The zealots were jews who believed a: they should fight the romans c: they should set up a new country b: they should accept roman rule d: religious law must be followed asap i'm taking a test
Answers: 2
History, 22.06.2019 08:00
Germany’s reparation payments after world war i caused massive inflation in germany. massive deflation in germany. economic stability. increased freedom.
Answers: 1
A student finds a puddle of water in a garden and takes a sample. He wants to perform an experiment...
Mathematics, 10.10.2021 01:00
English, 10.10.2021 01:00
English, 10.10.2021 01:00
Social Studies, 10.10.2021 01:00
Social Studies, 10.10.2021 01:00
Biology, 10.10.2021 01:00
SAT, 10.10.2021 01:00
Biology, 10.10.2021 01:00
Health, 10.10.2021 01:00
Mathematics, 10.10.2021 01:00