*Question*
If when a river floods, that river harms farm and grazing lands, then when a river floods, that river harms what? Answer choices: - most organisms - Basic units of the plant body. - streams and volcanoes - mountains and lakes - farm and grazing lands - oceans and ponds - swamp vegetation - Plant growth is reduced
**Answer**
farm and grazing lands

*Question*
If many carnivores feed at more than one trophic level, then many what feed at more than one trophic level? Answer choices: - roots - humans - carnivores - cacti - animals - people - algae - plants
**Answer**
carnivores

*Question*
If lubrication prevents an object from losing energy, then what does lubrication prevent? Answer choices: - permineralization - Losing energy - harmful substances - prolactin release - Pollution - sweating - contamination - Greenhouse gasses
**Answer**
Losing energy

*Question*
If bacteria only have one cell and no tissue, then what only have one cell and no tissue? Answer choices: - ferns - Most plants - mice - bacteria - frogs - Conifers - cell wall - fungi
**Answer**
bacteria