Cesium's half-life is 30 years, which means that for every unit of cesium, half of it will decay over 30 years. how does this affect the human populations that eat fish from this area?

Look at the photo of the leaf. which term best describes this leaf?

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?