Biology, 25.06.2019 05:00 juliajordan427
Mixtures involve two or more substances that are physically mixed or intermingled. however, these substances are not chemically bonded together. therefore, the substances can be present in any ratio. there are two types of mixtures: homogeneous and heterogeneous. a homogeneous mixture has a uniform composition whereas a heterogeneous mixture does not have a uniform composition. because of this, homogeneous mixtures look identical throughout the mixture to our eyes, as we cannot physically see the presence of more than one substance due to the uniformity. in terms of heterogeneous mixtures, we are able to see a physical boundary between different substances within the mixture, indicating the presence of more than one substance. which of the following is an example of a heterogeneous mixture?
Answers: 3
Biology, 22.06.2019 05:20
The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis
Answers: 3
Biology, 22.06.2019 06:00
Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?
Answers: 3
Mixtures involve two or more substances that are physically mixed or intermingled. however, these su...
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