7 10 points
Sodium-24 has a half-life of approximately 15 hours. If only one eighth of the sodium-24 remains, about how much time has passed?

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

What substance has a mass of 9.5g and volume of 2.1cm^3

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.