Are these physical change or chemical change? Prompt 1iron chain rusting over a long period of time

Answer for prompt 1 iron chain rusting over a long period of time

Prompt 2a piece of paper burning

Answer for prompt 2 a piece of paper burning

Prompt 3peach spoils by bacteria and rots

Answer for prompt 3

peach spoils by bacteria and rots

Prompt 4glue gun melts a glue stick

Compare and contrast solutions and suspensions

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.