Plz hurry if u can. What is the momentum of a 100-kg football player running north at a speed of 4 m/s?

How do living things obtain phosphorus

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

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.