What were the biotic and abiotic factors in the ecosystem? and someone join my pad-let https://pad-let. com/26aydenabartlett/h54vjpv4eeiqt6 hf

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.

Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur