How did the formation of the ozone layer contribute to the existence of life on Earth?

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation

Antoine manages a number of apartment buildings that use natural gas for heating, cooking, and laundry. the scatter plot shows the correlation between the outside air temperature and antoine's natural gas bill. which type of correlation does the plot illustrate?