How does the mass of a neutron compare to the mass of the proton

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.

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Which direction does the energy flow in this energy pyramid ?