Which would feel cooler on a sunny day: a black t‑shirt or a white t‑shirt? explain why.

What was the land like over 500 million years ago? what was under the sea?

Number and variety of living organisms includes genetic, species, and ecological types

The ruiz family is exchanging euros for us dollars. the exchange rate is 1 euro equals 1.35261 usd. since the ruiz family knows that usd are stated to the nearest hundredth of a dollar, they used the conversion ratio