How are the properties of iron and oxygen different from the compound iron oxide (rust)?

choose all answers that are correct.

a.
iron is a hard metal.

b.
lead is a compound in iron oxide.

c.
iron oxide is orange and crumbly.

d.
oxygen is a colorless and odorless gas.

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.