The atmosphere and the hydrosphere work together . Choose the correct answer. A. to maintain a consistent temperature for life on Earth B. to provide homes for most organisms living on Earth C. to allow the water cycle to constantly provide fresh water for Earth

Which type of respiration takes place when there is no oxygen present

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.