What is a consequence from a "Human Enhanced Greenhouse Effect" caused from burning fossil fuels?
It removes carbon dioxide from the atmosphere.
It adds carbon dioxide to the atmosphere that was never present in the atmosphere.
It adds carbon dio: to the atmosphere that has not been present for millions of years.
It makes photosynthesis harder for plants.

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

Each hereditary trait corresponds to