In the replica plating experiments, bacterial colonies from a master plate were reproduced using a disk of sterilized velvet, a silken fabric with a dense pile consisting of upright loops of yarn. Why is velvet a better choice for replica plating than plain cloth fabric

Sammi is studying the interaction of the digestive and circulatory systems in the human body. she has listed various processes that occur in each of the systems. put the processes in order to describe the interaction between these two systems. tiles nutrients diffuse through the villi of the small intestine.digestive processes break nutrients down in the mouth, stomach, and small intestine.blood is pumped through the circulatory system to deliver nutrients to other organs.nutrients are ingested at the mouth.nutrients enter the capillaries of the circulatory system. sequence

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles