Researchers conducted a survey of 2745 large mammals in a park to find out if the proportions of the different feeding groups of animals were the same as those established for the whole country. The feeding groups are carnivores (animals which eat other animals only), herbivores (animals which eat plants only) and omnivores (animals which eat both plants and other animals). Identify the categorical variables.

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Which muscle is responsible for inhalation ?

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond