Which of the following ions would have a tetrahedral shape.

Does anyone have some ideas for an herbalism or culinary project? i need to start my graduation project so i'm prepping for it

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.

Aplan that covers all qualified higer education expenses is known as a