Which of the following is a characteristic of durable scientific knowledge? It remains unchanged over time. It is rarely subjected to examination. Several scientists' investigations support it. Similar investigations yield dissimilar results.

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

B. nuclear reactions could first occur.

Hi + naoh -> h2o + nal

It must be measured in k.hope my answer is to you : )