Which statement explains why many scientists believe that carbon dioxide has likely contributed more to global warming than other greenhouse gases?

Carbon dioxide is emitted from fertilizers used in farming.
Other greenhouse gases trap more heat than carbon dioxide.
Carbon dioxide has increased as a result of increased human activities.
Carbon dioxide is emitted from commercial refrigeration.

Which of the following terms describe a liquid molecule that has only single bonds between its carbon atoms

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.