Which parts of dalton's atomic theory had to be revised? a. atoms are tiny indivisible particles. b. atoms of the same element are identical. c. compounds are molecules made by uniting atoms. d. atoms of different elements can combine with one another in simple ratios.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad

Which is one example of a phenotypic change that is not genetic