Which of the following processes physically breaks rocks and minerals into smaller and smaller pieces?

A. sedimentation

B. decomposition

C. chemical weathering

D. mechanical weathering

Which of these statements is true about plate tectonics? Continental drift on the Earth is caused by circulating convection currents in the deep interior. Continental drift on Earth is caused by the slow precession of Earth's spin axis.

Where do tectonic activities, such as earthquakes or volcanic eruptions, tend to occur? a-near plate boundaries b-near all mountains c-in the center of continents d-only on the ocean floor

What is the mariana trench and what does it do with tectonic plates?

What is the main characteristic of porosity?

Describe the methods you would use to tell the difference between an eroded anticline and syncline on a geologic map or in the field. Also, describe how you would determine the plunge direction of each.

When does a fault break?

Which statement explains what upwelling causes? A. Upwelling causes tides to rise and fall. B. Upwelling causes changes in the direction of currents. C. Upwelling causes nutrients, minerals, and tiny organisms to rise. D.

Country smaller than england

1. Why is the "greenhouse effect" important for life on the earth? A It keeps the sun's heat and light equal. B It keeps the earth's air and water warm. OC It protects the earth from solar radiation. D It determines the position of the earth. nd Use

Which of these is caused by a chemical change? A) The honey in a jar crystallizes and will no longer pour. B) The skin of a banana turns from green to yellow as it ripens. C) A box of powdered brown sugar turns into a solid brick over time.