Soil can be depleted of nutrients, and soil solids consist of mineral particles and organic matter. Given these facts, what can be depleted of nutrients among the following options: - oceans - swamp vegetation - h2o - By wind and rain - mineral particles and organics - clouds - wind and erosion - the environment
mineral particles and organics

Viruses contain DNA but not much else, and prions are different than bacteria or viruses. Given these facts, what are Prions void of among the following options: - life - O2 - RNA - SNPs - harm - gene - DNA - p53
DNA

Q: Birds evolved from a group of bipedal dinosaurs called theropods, and bird's feathers have evolved from reptile scales. Given these facts, what have evolved from reptile scales of bipedal dinosaurs called theropods among the following options: - animals - fur - feathers - fur and fat - mammals - warm-blooded - hair - eyes
A: feathers

Question: When a body of water receives more water than it can hold , a flood occurs, and lakes are large bodies of inland water. Given these facts, when does a flood occur in a lake among the following options: - during rain-less periods - at or near the margins - after a drought - Decreased precipitation - after too much water received - after not enough water - near the shoreline - the wearing away of rock
Answer: after too much water received

*Question*
Grasses supply most of the food consumed by people worldwide, and sugarcane, a grass, provides much of the world's sugar. Given these facts, what is an example of a plant that supplies most of the food consumed by people worldwide among the following options: - Sugarcane - orchids - bushes - bioaerosols - cacti - trees - ferns - Chlorophyll
**Answer**
Sugarcane

Most canyons are formed by flowing rivers through erosion over long periods of time, and rivers, rainwater, well water and most lakes contain fresh water. Given these facts, what are canyons formed by among the following options: - clouds - stars - erosion - loose soil - wind - ice wedging - rainwater - calcite
rainwater