How to say years old in Chinese?

Which of the following is an argument presented against buying local fruits and vegetables? local farmers may spotlight a produce that an area is famous for. local foods travel a shorter distance to market. local produce is fresher than foods that travel long distances. local farms cannot produce all of our favorite foods all year. 3which of the following actions would a person avoid getting sick from contaminated produce? smelling produce before eating to make sure it is safe washing produce before eating cooking produce until it feels hot to the touch eating only food from a local farmer that the person knows

Em um acidente, um caminhão carregado de solução aquosa de ácido fosfórico (h3po4) tombou, derramando cerca de 24,5 toneladas dessa solução no asfalto. quantas toneladas de óxido de cálcio (cao) seriam necessárias para reagir totalmente com essa quantidade de ácido? 2 h3po4 + 3 cao → ca3(po4)2 + 3 h2o a. 14t b. 29t c. 42t d. 7t e. 21t

What is the hardest language to learn?