Which element could not form in the sun and would have to be formed in a supernova?

a. hydrogen (atomic number 1)

b. helium (atomic number 2)

c. oxygen (atomic number 8)

d. uranium (atomic number 92)

(i think its physical science but i didnt see it so i just put chemistry)

Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?

What is the mass of 0.46 mol of mgcl2

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood