Unit 4 Chapter 1 Lesson 4 Preventing Soil Erosion

Ariel developed his inherited property into an agricultural area by planting rice using the contours or shape of the land

Joseph decided to plant radish for thius season and petchay on the following season in his farm in Bulacan

Mang Teddy made five plots for her vegetable garden. She planted peanuts, okra, tomatoes, eggplants, and legumes in each plot, respectively.

The Ifugaos became very famous for this farming technique consisting of ridges and channels constructed across the slope. This farming technique helps in reducing both the amount and velocity of water moving across the soil surface wich greatly reduces soil erosion

Leonard and Hershey enjoyed their rainforest adventure trip by ovserving tall trees thickly covered with leaves, wild plants, green ferns, and lots of colorful birds and crawling insects. They found out that the forest has been left undisturbed by humans for a very long time.

Mang Eliseo and Mang Noel, both farm owners, encourage the people to use dry leaves and allow the growth of grasses to cover the exposed topsoil until the time that new plants will grow on the soil

Carlo planted mongo after his co-owner, Samuel, harvested rice in their field.

Engineer Joel Rubio instructed the workers to use rock materials instead of steel sheet in the slope in order to prevent soil from moving down the river

Jemrick, Roldan, and Princess joined the planting activity in their school to promote the effects of soil erosion in the country. Their teacher suggested to use bamboo.

During the Eco Savers Club seminar, Mother Teresa, in her speech, promotes the building of piled rocks, mud, and cement on the areas with visible slope formation and those near riverbanks to prevent repeated landslide cases in the place.

It is the kind of weathering due to the disintegration of rocks into smaller pieces or fragments without changing the rock's mineral composition

The following are the agents of chemical weathering except

The steepness of the slope and its ______ affect the soil erosion

As the force and speed of the water that flows from the source becomes greater, the soil erosion ______

When rocks are exposed to this agent of weathering, rocks expand and contract, that causes disability and causes cracks on rocks