If annelids enrich the soil, then what do annelids enrich? Answer choices: - magma - seeds - soil - Energy - food - water - moss - roots
soil

If aplanet's rotation is what causes night, then what causes night on a planet? Answer choices: - clouds - speed - Winter - rotation - Solar energy - axis - heat energy - wind
rotation

Q: If wind and rain contribute to a process that can change our landscape, then wind and rain contribute to a process that can change what? Answer choices: - our lives - our caverns - important habitats - loose soil - watershed - our landscape - coastlines - our property lines
A: our landscape

Question: If an automobile uses energy stored in molecules to make mechanical energy, then where is energy stored before being used by an automobile to create mechanical energy? Answer choices: - sunlight - layers of fat - The atmosphere - In molecules - fossil fuels - electrically - a hydraulic system - engines
Answer: In molecules

*Question*
If mussels feed on plankton and nonliving organic matter, then what feed on plankton and nonliving organic matter? Answer choices: - mussels - sea lions - sharks - phytoplankton - animals - fungi - barnacles - polar bears
**Answer**
mussels

*Question*
If acid rain has a negative impact on plants, then what does acid rain have a negative impact on? Answer choices: - limestone - watershed - animals - humans - nitrogen - plants - soils - hydrogen
**Answer**
plants