What kind of attitudes should scientists possess? describe each.

 Curiousity-A scientist shows interest and pays particular attentions to objects or events. He asks questions and seeks answers.

Honesty-A scientist gives a truthful report of observations. He does not withhold important information just to please himself or others.

Open-Mindedness- A scientist listens to and respects the ideas of others. He accepts criticism and changes his mind if reliable evidence contrdicts his believes.

Skepticism- A scientist bases suggestions and conclusions on evidences. When in doubt, he questions the veracity of a statement in relation to the evidences presented.

c. nephron

Explanation: The nephron is the functional unit of the kidney, which actively filters blood and generates urine. The nephron is made of the renal corpuscle and renal tubule. Cortical nephrons are located within the renal cortex, whilst juxtamedullary nephrons are observed inside the renal cortex near the renal medulla.