What is the difference between an endothermic and exothermic reaction?

Why are some people more concerned about shark survival than about shark attacks?

All other things being equal the size of a population will decrease if

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?