Chemistry, 08.12.2019 11:31 Corykids6080
Different microscopic organisms cause different diseases. when a dangerous microscopic organism is transferred from one person to many people, the disease it carries will spread.
why is this considered a theory instead of a hypothesis or a law?
a. it is a statement of fact about how nature works instead of an explanation.
b. it provides an explanation for many observations and accepted hypotheses.
c. it describes how to test a possible explanation of one specific relationship.
d. it has not changed over time even though new technology has been developed.
which statement is a scientific law?
a. scientists use genes to explain why evolution happens.
b. genes are long patterns that are similar to computer codes.
c. a person’s traits are controlled by different forms of a gene.
d. the discovery of genes changed how scientists think about life.
different microscopic organisms cause different diseases. when a dangerous microscopic organism is transferred from one person to many people, the disease it carries will spread.
why is this considered a theory instead of a hypothesis or a law?
a. it is a statement of fact about how nature works instead of an explanation.
b. it provides an explanation for many observations and accepted hypotheses.
c. it describes how to test a possible explanation of one specific relationship.
d. it has not changed over time even though new technology has been developed.
which is the order of microscopes, from greatest magnification to the least?
a. scanning tunneling → transmission electron → compound light
b. scanning tunneling → compound light → transmission electron
c. transmission electron → scanning tunneling → compound light
d. compound light → transmission electron → scanning tunneling
Answers: 3
Chemistry, 22.06.2019 04:00
Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)
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Chemistry, 22.06.2019 10:30
Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
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Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
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Chemistry, 22.06.2019 15:40
Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n
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Different microscopic organisms cause different diseases. when a dangerous microscopic organism is t...
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