If calcite shells form large colonies in shallow tropical water, then what forms large colonies in shallow tropical water? Answer choices: - Most plants - passenger pigeons - orchids - honeybees - calcite shells - trout - sharks - humans
calcite shells

If being exposed to wind can damage water supplies, then what can being exposed to wind do? Answer choices: - forest is destroyed - Damage water supplies - heat is produced - organisms and their habitat - reflect objectstowards the eye - contamination - Plant growth is reduced - cause their death
Damage water supplies

Q: If bacteria relies on a relatively narrow range of pH, then bacteria relies on a relatively narrow range of what? Answer choices: - RNA - Fe - 12 - DDT - DNA - pH - CO2 - O2
A: pH

Question: If waste has a negative impact, then what has a negative impact? Answer choices: - waste - viruses - A virus - mildew - neutral - positive - cancer - clean
Answer: waste

*Question*
If aship is used to move people from continent to continent, then what does a ship move from continent to continent? Answer choices: - organisms - power - seeds - animals - food - people - energy - nutrients
**Answer**
people

If immunodeficiency occurs when the immune system is broken down, then immunodeficiency occurs when the immune system is what? Answer choices: - dangerous - homogenous - healthy - broken down - reduce - perfect - It decreases - functioning
broken down