What pH is more acidic a pH of 1 or a pH of 7?
What can cause granite, a rock that makes up landforms such as tall mountains, to break down into soil over time?
What typically results from abrasion of a rock?
A river starts as a steep channel in the mountains. It then leaves the mountains and enters a flatter area of land. It meanders across a plain and then enters the ocean. At which point would the river described form a delta?
A land form made by deposition at the end of a river?
What best describes how erosion by groundwater might create a land form?
Groundwater is stored best in __________ ground.
Water moves under Earth’s surface to fill open spaces. What is the top of this underground water called?
What would increase the effect of erosion in a watershed?
Humans can cause different types of environmental pollution. Which type of pollution is directly caused by humans dumping the remains of dead organisms into bodies of water?
Which of the following is a way that humans can alter the path of a river?
What will happen to the human body without air pressure?
Ozone exists in Earth’s atmosphere. What is ozone?
Why is the sun necessary for animals to live on Earth?
What best describes how the sun is necessary for life on Earth?
Which ocean zone is at the deepest location?
Which example represents an abiotic factor in an aquatic ecosystem?
The water cycle continues because...
What are three processes are part of the water cycle?
What is evaporation out of plants?
Which of the following is a likely effect as dams and reservoirs are used to store water for urban water supply and irrigation?
What force is mainly responsible for the erosion in the hot, dry Southern High Plains of Texas?
The Texas Blackland Prairies have very thick, fertile, marly soil. Due to this soil, what has happened to the majority of the prairies?
The Edwards Plateau was originally covered by grasslands. Overgrazing caused this to change from grasslands to bushland. What will the decrease in plants in this area is most likely to lead to a direct increase in?
What region would have the most caves?
1
exposure to plant acids
a change in size
when the river enters the ocean
delta
Slightly acidic water dissolves certain rocks underground to form a cavern.
porous
water table
steep terrain
biological pollution
dig a channel
It will expand
a molecule made up of three atoms of oxygen
Animals eat plants or other animals that eat plants, and plants convert the sun’s energy into food.
Its energy is converted into food that is the beginning of many food chains.
abyssal zone
The pH of a lake is decreased by acid rain.
Earth’s rotation and distance from the sun
condensation, evaporation, precipatation
transpiration
reduction of sediment carried by rivers to the coast
wind
converted to cropland
erosion of soil
a plateau region
