(Q).
If cutting down trees has a negative impact on the health of humankind, then cutting down trees has a negative impact on the health of what? Answer choices: - space - humankind - mars - aliens - salmon - Species - humans - plants
(A).
humankind

(Q).
If frogs breathe with gills as larvae and with lungs as adults, then what do frogs breathe with when they are adults? Answer choices: - skin - fins - lungs - oxygen - gills - air - Energy - Gases
(A).
lungs

(Q).
If most plants make food for themselves and other organisms, then what makes food for themselves and other organisms? Answer choices: - agriculture - honeybees - water - sunlight - most plants - viruses - Conifers - Chlorophyll
(A).
most plants