Biology, 22.04.2020 21:37, dieguezisabel
Matter can undergo both chemical and physical changes. What indicates that the change was definitely
chemical?
The temperature changed.
A precipitate formed
The color changed.
A gas formed.
Answers: 1
Biology, 21.06.2019 22:00, chasity06
There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?
Answers: 1
Biology, 22.06.2019 04:00, animaljamissofab
Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.
Answers: 2
Matter can undergo both chemical and physical changes. What indicates that the change was definitely...
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