How can having 100 trillion microorganisms on and in the human
body be healthy?

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.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

The negative impacts of nonnative species generally outweigh the positive impacts