I. Plant cells are formed from fertile soil. II. Cells must function properly for an organism to be healthy III. Cells make up the petals, stem, and leaves of a lily plant. IV. Bacteria are produced from other living bacteria. Which describes the statements that Schwann and Schleiden would make?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided