: secrete mucus that protect organs
: secretes enzymes that aid in digestion
: secrete tears
: keep the skin hydrated and soft

Each hereditary trait corresponds to

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit

Which is the following can combine in a cell to convert a lower-energy molecule into a higher-energy molecule?