Which layer of soil is most likely of greatest importance to plant growth?

a. O (organic matter)

b. A (topsoil)

c. B (subsoil)

d. C (parent rock)

What's responsible for causing eutrophication in waterways? A. Buring of fossil fuels B. Fertilizers in water runoff C. Pesticides in water runoff D. Deforestation

What is the capital of the state that is bordered by colorado, nebraska, missouri, and oklahoma?

What types of foundations are not good when building in an area that is likely to experience earthquakes? bedrock soft clay hard clay wet and sandy soil

Silver has very low resistivity. a. True b. False

Nonvascular plant have all of the following expect a) flowers b) spores c) cell walls

An earthquake causes a tsunami because force from the quake a. pushes a large body of water up from the ocean floor. b. pulls water down toward the source of the quake. c. blows surface water away from the shore. d.

What is the largest religion in the world? 1. Islam 2. Hinduism 3. Christianity 4. Judaism

What civilization is considered the mother-culture of pre-Hispanic Mexico? A. Maya B. Olmec C. Aztec D. San Lorenzo

The island chain of hawaii was formed by a mantle hot spot. the island of maui is 1.1 million years old while the big island of hawaii is 0.4 million years old. how fast is the pacific plate moving based on these average ages

If Earth's Moon was formed 3.8 billion years ago, then why are some of the rocks found on the Moon dating back to 4.6 billion years ago