How many neutrons would be in an atom of Selenium if the mass number for this particular isotope is Se-80?

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Which position represents spring in the southern hemisphere? a) b) c) d)

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean