*Question*
You are presented with the question "When a river floods, that river harms what?" and the following 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 Now knowing that when a river floods , that river deposits soil in flood plains and soil erosion harms farm and grazing lands and increases flooding and desertification, choose the best answer.
**Answer**
farm and grazing lands

*Question*
You are presented with the question "many what feed at more than one trophic level" and the following answer choices: - roots - humans - carnivores - cacti - animals - people - algae - plants Now knowing that many consumers feed at more than one trophic level and carnivores are consumers which eat animals or other consumers, choose the best answer.
**Answer**
carnivores

*Question*
You are presented with the question "What does lubrication prevent?" and the following answer choices: - permineralization - Losing energy - harmful substances - prolactin release - Pollution - sweating - contamination - Greenhouse gasses Now knowing that friction causes an object to lose energy and lubricating reduces the friction and prevents heat damage to the mono, choose the best answer.
**Answer**
Losing energy

*Question*
You are presented with the question "what only have one cell and no tissue?" and the following answer choices: - ferns - Most plants - mice - bacteria - frogs - Conifers - cell wall - fungi Now knowing that cells are organized into tissues, and tissues form organs and bacteria are one-celled organisms, choose the best answer.
**Answer**
bacteria