*Question*
Agreenhouse is used to protect plants from the cold, and the air in the greenhouse is humid. Given these facts, what are two things that are important for plants among the following options: - organic material - Bubbles and soap - Humidity and protection - excretory structures - Sand and rocks - Darkness and cool winds - food and shelter - genetic diversity
**Answer**
Humidity and protection

*Question*
Caecilians can be found in moist soil near rivers and streams in tropical regions, and cobra bobo is the local name for caecilian. Given these facts, what can be found in moist soil near rivers and steams in tropical regions among the following options: - ferns - insects - humans - cobra bobo - storing water - weathering - animals - clouds
**Answer**
cobra bobo

*Question*
Creating paper requires cutting down trees, and to cut down a tree is like destroying a life. Given these facts, creating paper may cause among the following options: - Physical weathering - Something to move - destroying life - It expands - Greenhouse gases - contamination - Pollution - harmful substances
**Answer**
destroying life

*Question*
Astem is used to store water by some plants, and water is made up of H2O molecules. Given these facts, what do some plants use a stem to store among the following options: - CO2 - H20 - RNA - UV - urea - Dew - h2o - rain
**Answer**
h2o