explain how and why natural selection has allowed species such as sharks and alligators to remain genetically stable for thousands of years

Which characteristics are true of the arabian desert? multiple answers choose all answers that are correct. a. is mostly below sea level b. covers almost the entire arabian peninsula c. contains the largest sand sea in the world d. has very few people living there

What would be the distance of all the planets to the sun in astronomical units?

What volcanoes form on a divergent plate margin