Which of the following is a consumer in the food chain shown above? Sunlight Algae Tadpole Duck

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)

What type of reaction fuels the processes seen here?