Which of the following is a non metal that remains liquid at room temperature?
a. phosphorous
b. bromine
c. chlorine
d. helium

What does this experimental investigation lack

The smallest biological units that can evolve are

2pomis which of the following would be a valid hypothesis for a scientific investigation about how transportation affects food security? alcannotatiord foods purchased from the local farmers market. o b. how does the distance a food travels affect its affordability? o e foods that travel great distances cost less than foods bought o d why do local farmers markets have food with such high prices?