Iron reacts with oxygen in the air to make rust.

Which of the chemical equations matches the reaction above?
A.
4Fe + 3O2 2Fe2O3
B.
2I2 + 3CO2 2C3I2O3
C.
2I2 + 3O2 2I2O3
D.
4Fe + 3CO2 2Fe2C3O3

Curriculum exam . 1 to reconcile your daily scanned checks (irds and personal checks) in the transaction report builder: o a. select today's date, select processed for the transaction status and change the account type to checking; click run report. o b. select today's date, select processed for the transaction status and change the origin of transaction to back office; click run report. o c. select today's date, select approved for the transaction status and change the origin of transaction to mailed in; click run report. o d. select the previous day's date, select approved for transaction status and change the origin of transaction to internet; click run report.

Tortoise shells and snail shells are similar in function: they protect the organism from predators. based on a comparison of the organisms in the images, what can you conclude? 1. tortoises and snails have homologous organs, and they’re evolutionarily related. 2. tortoises and snails have homologous organs, and they belong to same species. 3. tortoises and snails have analogous organs, and they belong to the same species. 4. tortoises and snails have analogous organs, and they don’t belong to the same species. 5. tortoises and snails have analogous organs, and they aren’t evolutionarily related.

Consider the image seen here. the image, at point y, represents the process of during which a is being produced.