How many protons in 80Se?

What layer of the atmosphere is above the Exosphere? What other kingdom does Kingdom Protista resemble? Is nuclear fusion cost efficient? When was Pressure Cookin' created? Is decaying of food is a physical or chemical change? What is a bleep? What is eloan and what is it used for? What hormone from the adrenal medulla is associated with 'fight or flight'? What creation of new groupings of alleles is? What is cool dense air that descends from the back of a storm called? What is the difference between the sun and a big gas planet? When ice melts will the liquid water occupy more or less volume than the ice? Toothed birds lived in which Period of geologic time? What is the purpose of a hansard? How many cups make 2 liters? What is the scientific name or taxonomic classification of the poisonous plant Horse bean? How does streptococcus move? Where are sub mucosa found in the body? What are three autotrophs? What chemical reaction produces zinc nitrate and water?