Which of these would provide the most reliable information about the periods when amphibians and birds appeared on earth?

How can health insurance increase life expectancy

In a short paragraph, describe your hometown in terms of its population and impact. do you live in a town or a city? is your home a higher-order or lower-order settlement? how does your hometown interact with other towns in its region? (houston)

At which boundary does subduction stop occurring, resulting in a mountain range?