Use the scenario to answer the question. You investigate the effect of different concentrations of ethylene spray on mpening in bananas
What would be the independent variable of this investigation?

What percentage of light hits earth's surface directly?

Emmet didn’t want to weed the garden. he put off the task toward the end of the day. he even tried to get his sister to do the job. what type of goal orientation did emmet display toward weeding the garden?

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis