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The scientists were interested in discovering whether the Pacific tree frog population might also be affected by the presence of nonnative trout, similar…
The scientists were interested in discovering whether the Pacific tree frog population might also be affected by the presence of nonnative trout, similar to the way these trout had affected the mountain yellow-legged frog population....
Smoke from wildland fires contains hundreds of chemicals. These chemicals can be gases, liquids, or solid forms. The effects of…
Smoke from wildland fires contains hundreds of chemicals. These chemicals can be gases, liquids, or solid forms. The effects of breathing wildland fire smoke include eye and throat irritation, shortness...
Smoke from wildland fires contains hundreds of chemicals. These chemicals can be gases, liquids, or solid forms. The effects of…
Smoke from wildland fires contains hundreds of chemicals. These chemicals can be gases, liquids, or solid forms. The effects of breathing wildland fire smoke include eye and throat irritation, shortness...
When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started…
When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started by a natural cause, such as lightning, or they may be started...
When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started…
When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started by a natural cause, such as lightning, or they may be started...
Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, readers meet…
Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, readers meet Dr. Ge Sun who studies land use in the Southern...
Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, readers meet…
Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, readers meet Dr. Ge Sun who studies land use in the Southern...
Mussels are very sensitive to changes in the environment which makes them good indicators of the health of an aquatic…
Mussels are very sensitive to changes in the environment which makes them good indicators of the health of an aquatic ecosystem. Mussel shells, like growth rings from a tree, can...
The scientists in this study were asked to develop information about the status of and trends in aquatic animal species populations across the United States.
The scientists in this study were asked to develop information about the status of and trends in aquatic animal species populations across the United States.
The scientists in this study were asked to develop information about the status of and trends in aquatic animal species populations across the United States.
The scientists in this study were asked to develop information about the status of and trends in aquatic animal species populations across the United States.
Soil erosion and sedimentation reduce the diversity of the natural environment. When soil is eroded and sedimentation occurs, important nutrients…
Soil erosion and sedimentation reduce the diversity of the natural environment. When soil is eroded and sedimentation occurs, important nutrients are carried away from the soil. The scientists in this...
Soil erosion and sedimentation reduce the diversity of the natural environment. When soil is eroded and sedimentation occurs, important nutrients…
Soil erosion and sedimentation reduce the diversity of the natural environment. When soil is eroded and sedimentation occurs, important nutrients are carried away from the soil. The scientists in this...
