Identify a substance that is 140 g and has a volume of 20mL by first calculating the density (SHOW YOUR WORK!!), and THEN matching your answer with the substance in the table below.
Show your work here:
Substance
Density
(g/mL)
Olive oil 0.89
Water 1.0
Aluminum 2.7
Zinc
7.0
Iron
7.8

Which is an example of a population?

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

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.