Which statement best explains how periods on the periodic table are organized? A.
increasing atomic number from left to right

B.
increasing number of neutrons from left to right

C.
decreasing number of electrons from left to right

D.
decreasing atomic mass number from left to right

How are primary producers important to the alligator's energy supply

Which of the following molecules could pass through the plasma membrane by simple diffusion? a. na+ ions b. glucose c. amino acids d. carbon dioxide

Eve and sammy are discussing the affects of farming on the environment. eve states that farming does not harm our environment. she believes that it is only beneficial for the ecosystem and species living in it. sammy states that farming can have major impacts on the environment. he believes farming can cause habitat loss. who is correct? eve is correct because farming only leads to positive affects on ecosystems. sammy is correct because farming has major affects on the environment including soil erosion and flooding. eve is correct because farming does not lead to soil erosion and flooding. neither of them are correct.