Fill in the following blanks to help you choose.
What is the effect of ____________ on _______________?
detergent germination of seeds
temperature the volume of air
How/to what extent does the _____________________ affect ___________________?
humidity growth of fungi
color of a material its absorption of heat
Which/what __________________ (verb) __________________?
foods do gerbils prefer
detergent makes the most bubbles