Convert 2.5km a statement scale to 1cm representative fraction:

What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors

On nights when we see the new moon phase, what side of the moon are we seeing?

When it is a high tide in georgia, usa, where on earth is another place that is also experiencing a high tide