Scientists use the __ temperature scale for measuring extremely cold and hot temperatures.

Smog is the term used to describe the combination of fog and smoke

Based on its chemical properties, identify the position of each chemical family on the periodic table.

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.