If decomposition increases amount of carbon in soil, then what increases the amount of carbon in soil? Answer choices: - oxygen - decomposition - nutrients - chlorofluorocarbons - rainfall - fossil fuels - wind - water
decomposition

If bilaterally symmetric worms belong to the phylum Platyhelminthes, then what animal found on Earth would belong to the phylum Platyhelmintes? Answer choices: - bilaterally symmetrical worms - Something with a head, thorax, and abdomen - remains of prehistoric life - Something that makes plants green - Microscopic organisms - female sex cells - it helps plants in growing - share properties
bilaterally symmetrical worms

If metals can expand because they have large specific heats, then why can metals expand? Answer choices: - tectonic plates being pushed together - they are shiny - flow of electrons - matter vibrating - they have large specific heats - they are hard - they can rust - electron transport
they have large specific heats