the Tonle Sap food web is a very complex system, but what is a major environmental force that makes it even more complex?

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes