What type of bond is formed when oxygen combines with hydrogen to form water

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?

If a young male's body is just beginning the process of producing sperm, when is it likely that he would ejaculate mature, viable sperm"