Planting black mangroves and adding tree "pens" both help sustain the Louisiana marshes. Which statement
best describes an advantage of planting black
mangrove trees to help sustain Louisiana marshes?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.