Which of the following scenarios is an example of a trade sanction

Which question did the author of how to grow a school garden consider about the audience before writing the project plan

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

Can you give an explanation of what medc and ledc are.