PLS HELP ITS FOR A QUIZ Use the data table below given the time (minutes) and the mass remaining (g) to determine the half life of the radioactive isotope.

What human activity increases beach erosion?

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw