*Question*
Fact 1: Nectar is used for attracting pollinators by plants. Fact 2: Nectar is secreted in a shallow nectar cup at the base of flower. Given the two facts above, answer the question "What do plants use to attract pollinators?" with the following options: - Something made from fermented ricce - Something made primarily of oxygen and nitrogen - Something that is secreted in a shallow cup. - Something that grows into the ground - chain called a polynucleotide - Something that vaporizes into the air - Something that grows on a bush - chemical compound NaCl
**Answer**
Something that is secreted in a shallow cup.

*Question*
Fact 1: Plants are the major producers in terrestrial biomes. Fact 2: Among the desert biomes, there are different kinds. Given the two facts above, answer the question "What are major producers in the desert?" with the following options: - food - flowers - executives - the Sun - grass - plants - Trees - oxygen
**Answer**
plants

*Question*
Fact 1: Hydropower requires damming a river. Fact 2: Scientists agree that dams devastate rivers. Given the two facts above, answer the question "what does hydropower require doing to a river?" with the following options: - power stations - water conservation - storing water - to move people - devastating it - a hydraulic system - dangerous - heating liquids
**Answer**
devastating it

*Question*
Fact 1: Biomass is the total mass of organisms at a trophic level. Fact 2: Fourty percent of biomass is carbon. Given the two facts above, answer the question "what are organisms mostly made out of?" with the following options: - limestone - food - energy - rock - bacteria - matter - carbon - fat
**Answer**
carbon