Frogs are both land and water creatures that keep the environment in balance by acting as both predators and prey.
Snow comprises individual ice crystals that grow while suspended in the atmosphere-usually within clouds-and then fall, accumulating on the ground where they undergo further changes.
Saint Patrick's Day, or the Feast of Saint Patrick, is a cultural and religious celebration held on 17 March, the traditional death date of Saint Patrick, the foremost patron saint of Ireland.
Arbor Day is a holiday that is celebrated annually on different days in various countries around the world, with the common goal of encouraging the planting and care of trees.
