Contact between rocks over long periods of time causes rocks to smooth, and rocks are actually solid mineral deposits. Given these facts, contact between solid mineral deposits over long periods of what causes them to smooth among the following options: - time - vacuum - widen - cracks - clocks - years - Bend - instant
time

If fossils of a water animal or plant are found in a place then that place used to be covered by water in the past, and fossils are the remains of prehistoric life. Given these facts, what being found in a place shows that place used to be covered by water among the following options: - volcanoes - wind - plankton and nonliving organic - dead organisms - marshes and swamps - sedimentary rocks - dirt - remains of prehistoric life
remains of prehistoric life

Q: Scales are used for protection by scaled animals, and fish are backboned aquatic animals. Given these facts, what are used for protection by fish among the following options: - scales - fins - streams. - coral - gills - Collagen - mussels - whiskers
A: scales

Question: Contact between rocks over long periods of time causes rocks to smooth, and sandstone, shale, and limestone are sedimentary rocks. Given these facts, what is smoothed by contact over long periods of time among the following options: - shale - earth - eras - Roads - soils - water - clouds - ground
Answer: shale

*Question*
Plants are the major producers in terrestrial biomes, and grasses are very distinctive plants. Given these facts, what is a producer in terrestrial biomes among the following options: - food - Oak - mammals - flowers - earth - grass - Trees - mushrooms
**Answer**
grass

*Question*
Slime molds are fungus-like protists commonly found on rotting logs and compost, and slime molds are nonparasitic. Given these facts, where do non-parasitic protists live among the following options: - decaying vegetables - loose soil - Conifers - decaying bodies - decaying trees - Most plants - an organism's body - decaying teeth
**Answer**
decaying trees