cuanles son los animales que habitan en humedales de agua dulce y agua salada (solo 5 de cada uno) pls es para hoy

While most people who lived in ancient egypt and the middle east avoided settling in nearby deserts, those regions protected them from their enemies. why do you think this was true?

Some fossils provide evidence to suggest that earth's climate has changed over time. which information can scientists obtain from these fossils? check all that apply

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4